Radioddity DB25-D Extended Manual
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Radioddity DB25-D Extended Manual

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DB25-D
extended manual
V1.0, February 2022
© Radioddity
page 1 of 175

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  • Page 1 DB25-D extended manual V1.0, February 2022 © Radioddity page 1 of 175...

  • Page 2: Table Of Contents

    Radioddity Extended manual for Radioddity DB25-D v1.0 Overview of Radioddity ......................11 Disclaimer ........................12 Product safety and RF exposure for portable radios ........... 13 Notes on the use of the radio ................... 13 Maintenance and Cleaning ..................14 Maintenance ........................14 Cleaning ..........................
  • Page 3 Radioddity Extended manual for Radioddity DB25-D v1.0 Wide/ Narrow Band ....................35 CTCSS / DCS ......................35 Channel Selection ....................... 35 Switch between VFO and Channel Mode ..............36 5.10 VFO Frequency Set ...................... 36 5.11 Zone / Channel Selection ................... 36 5.12...
  • Page 4 Radioddity Extended manual for Radioddity DB25-D v1.0 Ham Group Contacts ..................... 50 Message ......................51 Network support for short messages ................51 CreateMsg ........................52 Common Messages CommMsg ................... 53 lnbox ..........................54 Outbox ..........................55 Draftbox .......................... 56 Call Log ......................
  • Page 5 Special functions ......................... 90 Safe factory settings to a file ..................... 90 Connect to the radio ......................90 Read codeplug from DB25-D ..................... 91 Safe codeplug to file ......................92 Write codeplug to DB25-D ....................92 Open existing codeplug ...................... 93 FactoryReset ........................
  • Page 6 Radioddity Extended manual for Radioddity DB25-D v1.0 Scanmode..........................99 End-tone types ........................99 Squelch (A) Level ......................100 Squelch (B) Level ......................100 Radio ID ......................... 100 Backlight ON/OFF ......................101 Keylock ..........................101 Roaming ..........................101 Roaming Mode ........................102 RSSI threshold........................
  • Page 7 Radioddity Extended manual for Radioddity DB25-D v1.0 Remote Monitor Decode .................... 114 Remote Kill Decode ..................... 114 Radio Detection ......................114 Radio Revive ......................... 115 Call Alert ........................115 Group Call Hang Time ....................115 Private Call Hang Time ....................115 Import Delay .........................
  • Page 8 Radioddity Extended manual for Radioddity DB25-D v1.0 No ............................127 Report Channel ........................127 APRS TG ......................... 128 Report Slot ........................128 Call Type ........................128 ..........................128 11.11 Encryption ......................129 11.12 Contacts ......................129 Contact list ........................129 Ham contacts .......................
  • Page 9 Radioddity Extended manual for Radioddity DB25-D v1.0 12.15 Msg Type ......................144 12.16 TX Policy ......................... 145 12.17 RX Group ......................145 12.18 Encryption List ....................145 12.19 Scan List ......................... 146 12.20 Contacts ......................146 12.21 EAS (Emergency Alarm System) ................146 12.22...
  • Page 10 HF Antenna ........................ 168 19.3 GPS antenna ......................168 19.4 RJ45 Speaker-Microphone ..................169 19.5 K1 connector ......................169 Technical specifications of the DB25-D ..............170 20.1 General specifications ....................170 20.2 Receiver ........................171 20.3 Transmitter ........................ 171 Certification ......................172 21.1...

  • Page 11: Overview Of Radioddity

    In recent years, Radioddity has better met the needs of wireless device buyers by creating a secure shopping experience. We do this by offering the highest quality products at an affordable price and providing you with first-class service.

  • Page 12: Disclaimer

    This document is intended as an enhanced version of the manual that comes with the radio. It does describe all those details, that are required to know in order to get the most out of your Radioddity DB25-D. If you find anything that needs correction, please let us know via support@radioddity.com.

  • Page 13: Product Safety And Rf Exposure For Portable Radios

    Radioddity Extended manual for Radioddity DB25-D v1.0 Product safety and RF exposure for portable radios Before using the radio, please read this manual carefully. It contains important instructions for the safe and proper use of the radio and operating instructions for compliance with the limits of RF energy exposure in accordance with applicable national and international standards.

  • Page 14: Maintenance And Cleaning

    Radioddity Extended manual for Radioddity DB25-D v1.0 Maintenance and Cleaning To ensure the best performance and prolong working life, please acquaint yourself with the following for maintenance and cleaning. Maintenance 1. Please do not scratch or puncture the device with hard or sharp object.

  • Page 15: What Is In The Box

    3 What is in the box? Thank you for choosing a Radioddity DB25-D radio. We recommend that you first check the delivery contents listed in the following table and keep the packaging for later storage. If something is missing or damaged, please contact your dealer immediately.

  • Page 16: Preparation For Operating The Radio

    Radioddity Extended manual for Radioddity DB25-D v1.0 4 Preparation for operating the radio Radio installation For sake of your own and passengers safeties, please find a safe and convenient position in order to prevent the damage caused by moving car. Check about suitable and allowed positions with the manufacturer of your car.

  • Page 17: Power Supply Options

    The vehicle battery must have a nominal rating of 12 V. Never connect the Radioddity DB25-D to a 24V battery. Be sure to use a 12 V vehicle battery that has sufficient current capacity. If the current to the DB 25-D is insufficient the display may darken during transmission or transmitting output power may drop excessively.

  • Page 18: Base Station Operation

    HF radiation to enter the power supply lines. Notes: If you use the Radioddity DB25-D for a long period and the vehicle battery is not fully charged or when the car engine is OFF, the car battery may become discharged and will not have sufficient power left to start the vehicle.

  • Page 19: Replace Fuse

    Extended manual for Radioddity DB25-D v1.0 1. Make sure that both, the Radioddity DB25-D and DC power supply are off. 2. Connect the DC power cable to the regulated DC power supply and ensure that the polarity is correct. (Red: positive; Black: Negative}. Use the supplied DC power cable to connect the Radioddity DB25-D to a regulated power supply.

  • Page 20: Antenna Connection

    Notes: If transmitting without an antenna or other matched load line, it could damage the Radioddity DB25-D. The antenna must be connected to the radio before transmitting. All base stations should be equipped with lightning arrester to reduce the risk of fire, electric shock or radio damage.

  • Page 21: Accessories Connection

    2.5 mm mono plug or as a K1-style plug with a 2.5 mm and 3.5 mm TRS plugs. The left side of the Radioddity DB25-D has two jacks (K1 style) for speaker and microphone. Please refer to the instructions to determine how to use an external speaker or headset and microphone accessory.

  • Page 22: Keypad Operations

    2 and release it to enter a function menu Rotate the [MENU] tuning knob Select set options Press and hold the power switch for more Press and hold power switch than 3s to turn the DB25-D on or off Radio controls © Radioddity page 22 of 175...

  • Page 23: Parts Description & Function Applications

    Radioddity Extended manual for Radioddity DB25-D v1.0 Parts description & function applications Part Name Function description and applications [ ] Power Press and hold it for more than 3 sec to turn the radio Switch on or off. Programmable function key 1...
  • Page 24 Radioddity Extended manual for Radioddity DB25-D v1.0 Part Name Function description and applications 1) For external accessories connection, such as earpiece, speaker. SP/MIC jacket 2) Connect the programming cable here to get connection with the PC for data programming. Mounting For fixing the radio at some place.
  • Page 25 Radioddity Extended manual for Radioddity DB25-D v1.0 Part Name Function description and applications Install the external antenna to this port. In TX testing, please install a dummy load to replace the antenna. Antenna port The antenna or dummy load should be with 50 Ω...
  • Page 26 Radioddity Extended manual for Radioddity DB25-D v1.0 Part Name Function description and applications The Speaker- Used to receive audio from others (Audio output Microphone options can be set from the menu option) Press and then speak in to the microphone to transmit;...

  • Page 27: Status Icons

    Radioddity Extended manual for Radioddity DB25-D v1.0 Status Icons Icon Icon description Applications and function description 6 red bars indicate high power High Power Low Power 3 red bars indicate low power White bars indicates the radio being in Standby...
  • Page 28 Radioddity Extended manual for Radioddity DB25-D v1.0 Icon Icon description Applications and function description Appears when profile is in standard Prompt Tone on mode Prompt Tone Off Appears when profile is in silent mode Appears when the radio is in Talk...

  • Page 29: Transmit / Receiving Icons

    Radioddity Extended manual for Radioddity DB25-D v1.0 Transmit / Receiving Icons The following icon appears on the radio screen to indicate the radio status. Mode Type Icon Radio status Sending a Private Call Private call Receiving a Private Call Sending a Group Call...

  • Page 30: Programmable Function Keys

    Radioddity Extended manual for Radioddity DB25-D v1.0 Programmable Function keys There are more than 30 different functions that may be assigned to the 7 Preset Buttons. For more details on how to program the Preset Buttons, please check chapter 11.6 Preset Buttons on page 109.

  • Page 31: Main Functions Description

    Radioddity Extended manual for Radioddity DB25-D v1.0 Keypad Status Operation Description Short Press Preset function based on configuration [MIC P4] Standby Long Press Preset function based on configuration Short Press Preset function based on configuration [MIC P5] Standby Long Press...

  • Page 32: Digital Functions

    Radioddity Extended manual for Radioddity DB25-D v1.0 Digital Functions Function Description Private call Private call is a one-to-one call. Group call Group call is a one-to-many call. All call is a call to all contacts on the current digital channel.

  • Page 33: Operations For Speaker-Microphone Keypad

    Radioddity Extended manual for Radioddity DB25-D v1.0 Operations for Speaker-Microphone keypad The numeric keypad of the Speaker-Microphone can be used to access the radio functions. It can be used to input frequency/channel number, user alias or ID or SMS. Most characters require pressing a key for several times.

  • Page 34: Basic Operation

    [ J key to power on the radio till a ‘Beep sound’ is heard (if turned on). After power on, the Radioddity logo and ‘Powering On’ text is shown on the display. The radio is now in standby-mode.

  • Page 35: Busy Channel Lockout

    Radioddity Extended manual for Radioddity DB25-D v1.0 Busy Channel Lockout When the ‘ ’ icon is shown left to the channel name you may set the Busy Channel Lock On/Off of the currently selected band A or B separately by accessing the menu.

  • Page 36: Switch Between Vfo And Channel Mode

    Radioddity Extended manual for Radioddity DB25-D v1.0 Switch between VFO and Channel Mode In Standby Mode, when the ‘ ’ icon is shown left to the band A or B, access the VFO Mode ‘MENU → Local Set → DisplayMode’ and choose as Display Mode.

  • Page 37: Repeater / Talk Around

    Radioddity Extended manual for Radioddity DB25-D v1.0 the radio will always be in this monitor mode, till you exit it. An active Monitor- or Permanent Monitor- function is indicated by the symbol ‘ ’on the top most display line, left besides the GPS symbol.

  • Page 38: Roaming On / Off

    Radioddity Extended manual for Radioddity DB25-D v1.0 2. Actively select ‘Menu → Scan → Scan -> Scan On/Off’ to turn it On or Off. 5.17 Roaming On / Off If necessary, turn roaming On or Off by the following two ways.

  • Page 39: Using The Radio Menu

    6 Using the radio menu Set various functions and parameters by accessing the main menu and submenu of the radio. The menu function options supported by the Radioddity DB25-D are shown in the table below. The user-defined [Px] key programming keys are function shortcut keys, for specific function application, please pre-program those using the Radioddity DB25-D CPS.

  • Page 40: Accessing The Menus And Operations

    Access the main menu and submenu options to set or browse various parameters (like message checking, editing and sending, etc.) through the following operations and steps. Some of the menus may be enabled or disabled using the Radioddity DB25-D CPS.

  • Page 41: Placing A Ptt Call

    Private calls, Group calls, and All calls can be made to the preset contacts on the current digital channel (All call rights needs to be allowed by the Radioddity DB25- D CPS), and the methods for initiating and receiving all types of calls are the same.
  • Page 42 Radioddity Extended manual for Radioddity DB25-D v1.0 Operation method Call Type Make a call Receive a Call In Standby Mode, press the When Private Call [PTT] key to initiate the call. received, the screen displays: When Private Call initiated, the screen displays:...

  • Page 43: Receive And Answer To An Analog Radio Call

    Radioddity Extended manual for Radioddity DB25-D v1.0 2. Access the ‘Contact’ list through the menu, or press the preset [Contact] key to access the Contact list. Then select the desired contact by rotating the [ENC] knob, and finally press the [PTT] key of the Speaker-Microphone to initiate the call.

  • Page 44: Special Dmr Functions

    8 Special DMR functions Use our Radioddity DB25-D CPS software to enable/disable and preset any of the Preset Buttons with one of the following functions. Notes: For more details on how to program the Preset Buttons, please check chapter 11.6 Preset Buttons on page 109.

  • Page 45: Radio Revive

    Radioddity Extended manual for Radioddity DB25-D v1.0 Radio Revive Preset to restrict the radio from receiving ‘Radio Revive’ command sent by other users; or allow the radio to receive and process the ‘Radio Revive’ command to activate it remotely. This function can be used to enable the radio when it is lost and found.

  • Page 46: The Radio Menu Functions In Detail

    9 The radio Menu functions in detail The various functions, applications and parameter configurations of the radio can be checked and set by menus, if those has been enabled using the Radioddity DB25-D CPS. Contacts The contacts provide the ‘address book’ for the radio. Each entry corresponds to an alias or ID used to initiate a call, as well as operations and advanced DMR functions.

  • Page 47: New Contact

    Radioddity Extended manual for Radioddity DB25-D v1.0 Private Call ID: (1) Application → press the [Select] key → Rotate the [ENC] knob to choose either Radio Check Call Alert Remote Mon. Radio Disable Radio Enable (Monitor), → press the [Select] key to send→ ‘OK’ or ‘Fail’ text pops up on the screen →...

  • Page 48: Manual Dial

    → return to the previous level. Ham Contacts The Radioddity DB25-D can permanently store up to 300.000 HAM contacts within its internal memory. 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to select Contacts and press the [Select] key to enter.
  • Page 49 Radioddity Extended manual for Radioddity DB25-D v1.0 Long press and hold the [MENU] key for 3 seconds, a dialogue window pops up. • Input the first few digits of the private contact ID to search using the numeric keypad of the Speaker-Microphone → press the [OK] key to confirm → the display shows the search results →...

  • Page 50: Ham Group Contacts

    Radioddity Extended manual for Radioddity DB25-D v1.0 Ham Group Contacts 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to select Contacts and press the [Select] key to enter. Ham Group Contacts 2. Rotate the [ENC] knob to select the , press the [Select] key to enter the Ham Group Call Contacts.

  • Page 51: Message

    As an example the currently largest DMR network, Brandmeister network, requires the brand of radio associated with the DMR ID to be assigned. For your Radioddity DB25-D set it to ‘Chinese Radio’. However the DMR network does not guarantee a SMS will be successfully delivered.

  • Page 52: Createmsg

    Radioddity Extended manual for Radioddity DB25-D v1.0 CreateMsg 1. Press the preset [SMS] key to access the menu. 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to select Message and press the [Select] key to enter.

  • Page 53: Common Messages Commmsg

    Speaker-Microphone → press the [OK] key to send the message → return to the previous level. Notes: If there are no Common Messages, you should pre-program those using the Radioddity DB25-D CPS software first or add them into ‘CommMsg’. © Radioddity page 53 of 175...

  • Page 54: Lnbox

    Radioddity Extended manual for Radioddity DB25-D v1.0 lnbox 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to select Message and press the [Select] key to enter. lnbox 2. Rotate the [ENC] knob to , and press the [Select] key to choose from one...

  • Page 55: Outbox

    Radioddity Extended manual for Radioddity DB25-D v1.0 Outbox 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to select Message and press the [Select] key to enter. Outbox 2. Rotate the [ENC] knob to and press the [Select] key to choose from one...

  • Page 56: Draftbox

    Radioddity Extended manual for Radioddity DB25-D v1.0 Draftbox 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to select Message and press the [Select] key to enter. Draftbox 2. Rotate the [ENC] knob to , and press the [Select] key to choose from...

  • Page 57: Call Log

    Radioddity Extended manual for Radioddity DB25-D v1.0 Call Log Information for recent dialed calls, received calls and missed calls can be checked by users thru Call Log menu. Call logs help to manage the recent call activities. Dialed Calls (DialedNumbs) 3.

  • Page 58: Received Calls

    Radioddity Extended manual for Radioddity DB25-D v1.0 Received Calls 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to select CallLog and press the [Select] key to enter. ReceivedCalls 2. Rotate the [ENC] knob to and press the [Select] key to choose...

  • Page 59: Missed Calls

    Radioddity Extended manual for Radioddity DB25-D v1.0 Missed Calls • Access the menu, press the [Menu] key and rotate the [ENC] knob to select CallLog and press the [Select] key to enter. MissedCalls • Rotate the [ENC] knob to and press the [Select] key to choose from...

  • Page 60: Scan

    Radioddity Extended manual for Radioddity DB25-D v1.0 Scan Scan, Scan list, Scan Mode and Roaming of the radio can be enabled or disabled by following options. Scan 1. Press the preset [Scan On/Off] key to turn the scan On or Off 1.

  • Page 61: Scan Mode

    Radioddity Extended manual for Radioddity DB25-D v1.0 Channel Del → press the [Select] key to delete the channel from the scan • list → Return to the channel list. Channel Add → press the [Select] key → select zone → select channel to be added →...
  • Page 62 Radioddity Extended manual for Radioddity DB25-D v1.0 (1) Roam Mode → press the [Select] key → rotate the [ENC] knob to choose from Auto Manual RSSI one of the modes → press the [Select] key to confirm the selection and return to the previous level.
  • Page 63 Radioddity Extended manual for Radioddity DB25-D v1.0 ConnectChk Timer → press the [Select] key to display the current time value (second) → rotate the [ENC] knob to adjust the desired connect check time → press the [OK] key to confirm the modification → ‘Set Ok!’ pops up on the screen and return to the previous level.

  • Page 64: Precautions For Roaming

    Radioddity Extended manual for Radioddity DB25-D v1.0 Precautions for roaming 1. Before any scan mode is selected, please make sure the ‘Scan List’ is preset in advance, otherwise the scan feature is unable to be activated. 2. When the roaming is activated, the radio will scan all repeater channels (TX/RX channels with different TX- and RX-frequencies) only.

  • Page 65: Local Set

    Radioddity Extended manual for Radioddity DB25-D v1.0 Local Set If the basic operation and functions of the menu are allowed by software to set Local Set and check, below functions are optional thru accessing the menu. Language 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to choose Local Set and then press the [Select] key to enter.

  • Page 66: Backlight

    Radioddity Extended manual for Radioddity DB25-D v1.0 Backlight 1. Press the preset [BackLight Auto/On/Off] key. 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to choose Local Set and then press the [Select] key to enter.

  • Page 67: Display Mode

    Radioddity Extended manual for Radioddity DB25-D v1.0 Display Mode 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to choose Local Set and then press the [Select] key to enter. DisplayMode 2. Rotate the [ENC] knob to choose and press the [Select] key to enter.

  • Page 68: Vox

    Radioddity Extended manual for Radioddity DB25-D v1.0 1. Press the preset [VOX On/Off] key to turn it On / Off. 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to choose Local Set and then press the [Select] key to enter.

  • Page 69: Parameters

    Radioddity Extended manual for Radioddity DB25-D v1.0 Parameters If it is allowed by software, TOT, Power Setting, Repeater Setting, High / Low Power, Time Slot, Repeater settings, Power Saving mode and etc. can be set and/or checked through the Parameters menu.

  • Page 70: Slot/Repeat

    Radioddity Extended manual for Radioddity DB25-D v1.0 Slot/Repeat The Slot/Repeat setting is set according to the channel type that currently accesses the menu (Repeater with different TX/RX frequencies or RX/TX with same frequency). 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to choose Parameters and then press the [Select] key to enter.

  • Page 71: Encryption (Enc Level)

    Radioddity Extended manual for Radioddity DB25-D v1.0 Encryption (ENC Level) 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to choose Parameters and then press the [Select] key to enter. None 2. Rotate the [ENC] knob to choose the desired encryption level of either High and press the [Select] key to confirm.

  • Page 72: Busy Channel Lockout (Bclo)

    Radioddity Extended manual for Radioddity DB25-D v1.0 Busy Channel Lockout (BCLO) 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to choose Parameters and then press the [Select] key to enter. BCLO 2. Rotate the [ENC] knob to choose and press the [Select] key to turn Busy channel Lockout On or Off.

  • Page 73: Ctcss Phase Reverse (Ctcss Tail)

    Radioddity Extended manual for Radioddity DB25-D v1.0 TX Subaudio → press the [Select] key to choose from the following options: Signaling off → press the [Select] key to turn off the CTCSS/DCS code → • ‘Set Ok’ pops up on the screen and returns to the previous level.

  • Page 74: Tone Set

    Radioddity Extended manual for Radioddity DB25-D v1.0 Tone Set If It is allowed by CPS software, set and check the prompt tones by accessing the Tone Set menu. Profiles 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to choose Tone Set and then press the [Select] key to enter.

  • Page 75: Private Call Ring Tone (Pcalltone)

    Radioddity Extended manual for Radioddity DB25-D v1.0 Private Call Ring Tone (PCallTone) 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to choose Tone Set and then press the [Select] key to enter. PCallTone 2. Rotate the [ENC] knob to choose...

  • Page 76: Power On Tone (Fm Call Tone)

    → press the [Select] key to enter the following options and procedures: GPS Map → press the [Select] key to display the rough distance between • the Radioddity DB25-D and other stations → rotate the [ENC] knob to GroupMap Location choose between → press the [Back] key to return to the previous level.

  • Page 77: Fm Radio

    → press the [Select] key to display the location information • (date, time, longitude, latitude, altitude, speed) of the DB25-D → rotate the [ENC] knob to check GPS / GL received satellites information and signal strength (white: empty signal, red: weak signal, light blue: available signal) →...

  • Page 78: Time

    Radioddity Extended manual for Radioddity DB25-D v1.0 FMList → press the [Select] key to display the list of saved FM radio frequencies → rotate the [ENC] knob to choose the desired frequency → press the [Select] key to select one of the following options: Delete →...

  • Page 79: Dtmf

    Microphone, but no audio output from the external speaker. If Loud+Mic Spkr mode is selected, both the external speaker and the Speaker-Microphone have audio output. This mode is the recommended audio output mode to be used with the Radioddity DB25-D. © Radioddity page 79 of 175...

  • Page 80: Aprs

    Radioddity Extended manual for Radioddity DB25-D v1.0 APRS 1. Access the menu, press the [Menu] key and rotate the [ENC] knob to choose Appendix and then press the [Select] key to enter. APRS 2. Rotate the [ENC] knob to choose...

  • Page 81: Record

    Radioddity Extended manual for Radioddity DB25-D v1.0 DMR APRS → press the [Select] key to change the parameters for digital APRS → rotate the [ENC] knob to choose the desired parameter → press the [Select] key to select one of the following options : APRS Message →...

  • Page 82: Device Info

    Radioddity Extended manual for Radioddity DB25-D v1.0 Record List → press the [Select] key to display the recording list → rotate the [ENC] knob to choose the desired recording (they are named as follows: <ascending number>_<R/T><DMR_ID>) and press the [Select] key to choose...

  • Page 83: Channel Edit

    Extended manual for Radioddity DB25-D v1.0 Version → press the [Select] key to display the Model Number (DB25-D), Firmware Version, Frequency Range (F136-174,F400-480) and Version Date and time → press the [Back] key to return to the previous level. 9.12...
  • Page 84 Radioddity Extended manual for Radioddity DB25-D v1.0 Parameter Possible Values Channel Attribution Digital/Analog/RX:D/A-TX:A/TX:D/A-RX:D RX Frequency In the available range of the radio TX Frequency In the available range of the radio FreqStep 5kHz/6.25kHz/10kHz/12.50kHz/25kHz/50kHz/100kHz Power High/Low RXOnly On/Off RX_CC 0…15 TX_CC 0…15...

  • Page 85: Programming With The Cps

    10.1 Install device driver Quite likely, your Radioddity DB25-D came with a programming cable. This programming cable adds an additional virtual COM-port to your system. It does include a small chip of type Prolific PL2303 that converts signals to and from the USB-side into serial signals in the K1 style connector.

  • Page 86: Install Cps

    10.2 Install CPS Download the current Radioddity DB25-D CPS version from our Support area. After downloading, unpack the archive into a temporary directory of your choice. Navigate to the subfolder named ‘Software’. In there, you find the CPS-installer. Execute the installer with admin rights by invoking ‘Run as administrator’...
  • Page 87 Radioddity Extended manual for Radioddity DB25-D v1.0 Click on the underlined ‘More info’ and continue by clicking on ‘Run anyway’. An additional confirmation dialog will follow, asking ‘Do you want to allow this app from an unknown publisher to make changes to your device?’. Confirm this dialog by clicking ‘Yes’.
  • Page 88 Radioddity Extended manual for Radioddity DB25-D v1.0 After a while, the installation process finishes with Click ‘Finish’ to confirm the completion of the installation process. © Radioddity page 88 of 175...

  • Page 89: Start Cps

    Radioddity Extended manual for Radioddity DB25-D v1.0 10.3 Start CPS During installation of the CPS, a shortcut had been placed on your desktop. Double click on that shortcut to start the CPS. As the e CPS has never been used before, it will be preloaded with certain default data.

  • Page 90: Special Functions

    Radioddity Extended manual for Radioddity DB25-D v1.0 Special functions Some of the computers keyboard function keys have been assigned special functionality within the CPS. Function Turn Toolbar On/Off Turn Navigation bar On/Off Turn Status bar On/Off Font Background Color Font Color...

  • Page 91: Read Codeplug From Db25-D

    To read the current codeplug as stored on the radio, click on ‘Read’ within the toolbar to start the transfer of data from the Radioddity DB25-D to the PC. The radio will display ‘Flash Read’ whilst data is been transferred from the radio to the CPS.

  • Page 92: Safe Codeplug To File

    If this is the first time you used the READ-function, we advise to safe the data to a file of your choice, such as ‘Factory setting of my DB25-D’. To do so, click on the ‘Save’ button within the toolbar.

  • Page 93: Open Existing Codeplug

    The radio will display ‘Write Factory’ whilst data is been transferred from the CPS to the Radioddity DB25-D. As soon as all data has been transferred from the CPS to the Radioddity DB25-D, the text ‘Write Factory’ will disappear. If you now, later on, do activate the FactoryReset on the radio by using ‘MENU →...
  • Page 94 Confirm by pushing the MENU-knob. Now the settings previously stored as factory-defaults will be restored. You will see a couple of screens on your Radioddity DB25-D. The complete process takes about 15 seconds, depending on the size of the factory-defaults codeplug you previously saved to the radio.

  • Page 95: Make Changes To Your Settings

    Factory Number With this number, Radioddity can track the selling country or area of the product. Notes: Data will only be shown in the CPS after the codeplug has been read from the Radioddity DB25-D to the CPS.

  • Page 96: Model Number

    11.2 Basic Parameters Before starting your first QSO with your new Radioddity DB25-D, do not forget to setup your Radio ID (DMR ID) and your Radio Name (Call Sign). You find those parameters at the very top of the ‘Basic Parameters’.

  • Page 97: Radio Name

    HAM operators would use their call sign. Rolling Code This feature is for companies using larger quantities of the Radioddity DB25-D. If the checkbox is ticked the specified ‘Radio ID.’ will get increased by one on each ‘write’ of the codeplug to the next radio.

  • Page 98: Busy Channel Lockout

    Radioddity Extended manual for Radioddity DB25-D v1.0 Busy Channel Lockout In literature, this parameter is often abbreviated as BCL. Users are allowed to turn the Busy Channel Lockout on or off. Options: Turn on the busy channel lockout. The radio will be forbidden to transmit when receiving signals to protect the call quality of other users on this frequency.

  • Page 99: Save Power Startup Time

    Radioddity Extended manual for Radioddity DB25-D v1.0 Save power startup time This option and its value is not user changeable. Default: 10 s Scanmode Users can enable this function according to the working environment and actual needs to set scan mode, so as to improve scan efficiency.

  • Page 100: Squelch (A) Level

    Radioddity Extended manual for Radioddity DB25-D v1.0 Squelch (A) Level When receiving a carrier signal and its strength reaches the preset squelch level, the audio circuit will be turned on. This setting is for the upper (A) channel). Selection range:...

  • Page 101: Backlight On/Off

    Radioddity Extended manual for Radioddity DB25-D v1.0 Backlight ON/OFF Users can enable this feature based on working environment and their actual needs. It will help to save battery power, and prolong battery life. Options: Screen Background Light is on the darkest condition.

  • Page 102: Roaming Mode

    Radioddity Extended manual for Radioddity DB25-D v1.0 Roaming Mode Users can enable this function according to the working environment and their actual needs. options: Auto When scanning a roaming list, the radio will automatically switch to the repeater channel with the strongest signal.

  • Page 103: Repeater Check Timer

    Radioddity Extended manual for Radioddity DB25-D v1.0 Repeater Check Timer When auto roaming or strong RSSI priority scanned an available repeater, radio will lock into the current repeater channel and stop roaming scan. Then radio will pause at the current channel and issue a Repeater check timer at a preset connect times for handshake confirmation with the current repeater.

  • Page 104: Common Menus

    Radioddity Extended manual for Radioddity DB25-D v1.0 11.3 Common Menus Users can disable or enable some menu options to show on the radio screen, to prohibit or allow users to check and operate the menu items from the radio screen menu.

  • Page 105: Profiles

    Radioddity Extended manual for Radioddity DB25-D v1.0 Profiles Select a predefined audio profile. Mode Options: Standard All prompt tones of radio parameters are on Silent All prompt tones of radio parameters are off Default: Standard SMS prompt Once receiving a message, the message Tone will be heard if this option is selected.

  • Page 106: Keytone

    Radioddity Extended manual for Radioddity DB25-D v1.0 Keytone You can turn on or off ‘Keytone’ thru this parameter. Options: Turn on Keytone Turn off Keytone Default: Keytone volume You can increase or decrease the ‘Keytone volume’ thru this parameter. Volume Range: Maximum:...

  • Page 107: Call Hang Up

    Radioddity Extended manual for Radioddity DB25-D v1.0 Call hang up This parameter is only been evaluated in digital mode. Depending on the settings of 'DMR Service' -> 'Group call hang time' and 'Private call hang time', a sound will be played (if this parameter is set to on), whenever the corresponding time period has exceeded.

  • Page 108: Tx Indicator

    Radioddity Extended manual for Radioddity DB25-D v1.0 TX Indicator You can activate or disable the working status of the LED indicator for transmitting thru this parameter. Options: LED indictor is on when the radio is transmitting LED indictor is off when the radio is transmitting...

  • Page 109: Preset Buttons

    Radioddity Extended manual for Radioddity DB25-D v1.0 11.6 Preset Buttons Users can define the buttons through this menu. Long Press Duration You can distinguish using functions between Long Press and Short Press thru this parameter. Options: Longest: 5.0s Shortest: 0.5s Increment: 0.5s...

  • Page 110: Available Function For The Preset Buttons

    Radioddity Extended manual for Radioddity DB25-D v1.0 Available Function for the Preset Buttons Type Features Description Undefined Preset Button is not assigned to any special function High /Low Allows users to switch between high power and low power Power Backlight...

  • Page 111: Mic Gain

    Mic Gain You can turn the gain for the Microphone-signal on or off and also set the MIC gain level of the Radioddity DB25-D. MIC Gain 1 refers to a microphone attached to the K1-socket at the left side of the radio and requires also MIC Gain 2 to be in its ‘...

  • Page 112: Mic Gain 1 On/Off

    You can turn on or off the MIC Gain 2 feature of the microphone attached to the RJ45-socket at the front of the DB25-D and with the parameter turned ‘On’, the transmitted radio microphone audio level will be amplified in accordance with the setup gain ratio of ‘...

  • Page 113: Quick Msg

    Radioddity Extended manual for Radioddity DB25-D v1.0 11.8 Quick Msg The users can pre-program up to 100 messages, each message content up to 40 characters. Valid characters include alphanumeric characters, spaces, and special characters. Users can access the function through the Message menu function.

  • Page 114: Remote Monitor Decode

    Radioddity Extended manual for Radioddity DB25-D v1.0 Stepping: Default: The functionality may also be accomplished by pressing the preset [Scan On/Off] key to turn the scan On or Off. Remote Monitor Decode It allows the radio to receive and deal with the ‘Remote Monitor’ command. The radio will activate the microphone and transmitter and send the audio activities of the surroundings for the specific time programmed after receiving the ‘Remote...

  • Page 115: Radio Revive

    Radioddity Extended manual for Radioddity DB25-D v1.0 Radio Revive It allows the radio to receive and deal with the ‘Radio Revive’ command, and activate itself to be used again. Options: Allow and accept to be revived by other radios Forbid other radios to revive this radio Default: Notes: The function may be assigned to one of the functrion keys.

  • Page 116: Import Delay

    Radioddity Extended manual for Radioddity DB25-D v1.0 Import Delay By setting this parameter, user can set the duration time from the PTT pressed to the first DTMF code sent, when radio call is issued. Options: Maximum: 500 ms Minimum: 50 ms...

  • Page 117: Dtmf Code

    Notes: The function may be assigned to one of the functrion keys. For more details, please check chapter 11.6 on page 109. Preset Buttons GPS interval Once the GPS feature is activated, The DB25-D will send the GPS data whenever the ‘GPS interval’ has elapsed. Options: Max: 250 min Min:...

  • Page 118: Mandown Interval

    Radioddity Extended manual for Radioddity DB25-D v1.0 Mandown Interval This option and its value is not applicable for the DB25-D. Please ignore it. Default: 255 min Mandown Angle This option and its value is not applicable for the DB25-D. Please ignore it.

  • Page 119: Keypad Password

    Radioddity Extended manual for Radioddity DB25-D v1.0 Keypad Password This option and its value is not applicable for the DB25-D. Please ignore it. Default: ---- 11.10 APRS The APRS (Automatic Packet Reporting System) protocol has first been used back in the early 80s and got lot of extensions since then. Within amateur radio and in...

  • Page 120: Digital Aprs

    Radioddity Extended manual for Radioddity DB25-D v1.0 Digital APRS For Digital APRS a DMR network is required and the APRS-message is sent to a certain talk group either as Private or as Group call, depending on the DMR network and country/region. A total of 8 possible Digital APRS settings may be defined.

  • Page 121: Beacon

    Beacon If the DB25-D is mainly used as a radio station at home, we advise to not use GPS but set the GPS-data within the APRS protocol to the fixed location as specified with the parameters ‘Latitude’ and ‘Longitude’...

  • Page 122: Tx Freq [Mhz]

    Radioddity Extended manual for Radioddity DB25-D v1.0 TX Freq [MHz] The frequency specified with this parameter for analog APRS is totally independent of the selected channels frequency. The APRS beacon is transmitted using 1200 Baud AFSK. The frequency data within the following table is subject to change without prior notice.

  • Page 123: Transmit Delay

    Radioddity Extended manual for Radioddity DB25-D v1.0 Transmit Delay The two parameters ‘Transmit Delay’ and ‘Prewave Time’ are responsible for the delay between automatic PTT activation (for analog APRS) and the actual transmission of the APRS beacon. Delay period: Maximum:...

  • Page 124: Destn Ssid

    The specified digit will be appended to your own call sign as specified within the parameter ‘Your Call Sign’. Value: Minimum: Maximum: Recommended: For using your DB25-D in a car © Radioddity page 124 of 175...

  • Page 125: Your Call Sign

    Radioddity Extended manual for Radioddity DB25-D v1.0 Your Call Sign This parameter is also mandatory for analog APRS as it does specify your own call sign Default: <empty> APRS Symbol Table Initially APRS supported just 192 different symbols. This has recently been enhanced to several thousands.
  • Page 126 APRS service pages such as https://aprs.fi. The following table list the most used icons and their corresponding ‘APRS Symbol Table’, ‘APRS Map Icon’ and ‘SSID’ that are applicable for your DB25-D. Notes: We advise not to take any other combinations besides those listed.

  • Page 127: Aprs Signal Path

    Radioddity Extended manual for Radioddity DB25-D v1.0 APRS Signal Path This parameter defines the path your APRS beacon packets should take. Recommended: WIDE1-1WIDE2-1 Notes: There is no space or ‘,’ between ‘WIDE1-1’ and ‘WIDE2-1’. This parameter is only relevant for analog APRS Your Sending Text Within this field a maximum of 60 alphanumeric characters may be defined.

  • Page 128: Aprs Tg

    Radioddity Extended manual for Radioddity DB25-D v1.0 APRS TG In digital APRS the APRS data will be transmitted to the talk group, specified by this parameter. The talk group is depending on the network that is used by the defined APRS channel.

  • Page 129: Encryption

    Radioddity Extended manual for Radioddity DB25-D v1.0 11.11 Encryption Users are allowed to program a maximum of 10 encryption key names and their 2 Byte encryption key values. The encryption level (low, middle and high) should be programmed to be the same. Otherwise, the encryption value can't be used. If the encryption level is programmed to be ‘off’, this function can't be used.
  • Page 130 Radioddity Extended manual for Radioddity DB25-D v1.0 If you press the button ‘Import’, you will be directed to the default file path of the system, and you can directly import a CSV file of digital contacts. For your convenience we have included a sample file ‘contacts 2000.csv ‘. This sample file has a couple of sample contacts their ‘Serial No’, ‘Contact ID’, ‘Contact name’...

  • Page 131: Ham Contacts

    Radioddity Extended manual for Radioddity DB25-D v1.0 To manually add one or more records (‘Serial No’s) to the ‘Contact list’, first specify the total number of records you want to add within the field labeled ‘ADD QTY’ before you push the button ‘+ Add’. Be careful as to not exceed the maximum number of allowed records.
  • Page 132 CSV file of digital contacts. For your convenience we have included a sample file ‘Ham contacts_ALL_20200505193301 max 200000.csv ‘ within the installation directory of the DB25-D CPS. This sample file has more than 160000 records with their ‘DMR ID’, ‘Call sign’, ‘Full name’, ‘City’, ‘State/Province’...

  • Page 133: Ham Groups

    Radioddity Extended manual for Radioddity DB25-D v1.0 When you have imported the digital contacts CSV file, you can press the ‘Write’ button to write the list to the radio. Only The ‘Ham contacts’ will be written to the radio. This is the only way to write the ‘Ham contacts’ to the radio.
  • Page 134 Radioddity Extended manual for Radioddity DB25-D v1.0 If you press the ‘import’ button, you will be directed to the default file path of the system in order to directly import a CSV file of Ham groups. If you need to update the imported ‘Ham group’...

  • Page 135: Digital Alarm List

    Radioddity Extended manual for Radioddity DB25-D v1.0 When you have imported the ham groups CSV file, you can select your desired groups from it, and then tick ‘’ in the ‘’ box next to serial number. After all the required groups have been selected, press the ‘Copy’ button to copy the Groups name and Groups ID of the selected ones to the ‘Contact list’...

  • Page 136: Scan List

    Radioddity Extended manual for Radioddity DB25-D v1.0 perform a roaming scan, the list must contain repeater channels. Every channel can only enable either scan or roaming scan. A maximum of 250 groups of scan lists can be setup, with a maximum of 50 members per group.

  • Page 137: Talkback

    Radioddity Extended manual for Radioddity DB25-D v1.0 Talkback The feature allows the user to press PTT key to transmit on the current received channel, during scanning or within 3s after the received signal has disappeared. Options: Activate Talkback Deactivate Talkback. Talkback/reply will be based on the setting of ‘Scan TX Mode’.

  • Page 138: Optional Channel

    Radioddity Extended manual for Radioddity DB25-D v1.0 Optional Channel Displays all available channel members that can be added to the scan/roaming list. Notes: When you add a member shown in the ‘Optional Channels’ window to the scan/roaming list, the selected channel member information will no longer appear in the ‘Optional Channels’...

  • Page 139: Rx Group

    Radioddity Extended manual for Radioddity DB25-D v1.0 11.15 RX Group An RX Group needs to be setup for the user to listen to group calls to members with the same configuration. You can set or select any group from the available lists (1-250) as a ‘RX Group List’...

  • Page 140: Setup Of Channels

    Users can set the channels receive frequency (in MHz). The possible frequency depends on the available frequency ranges of the DB25-D. In ‘Digital’ mode, the DB25-D does not support simplex DMR Tier 1 operation with different TX and RX frequency. Whenever the RX and TX frequencies are different, the channel will be defined as a repeater channel (using DMR Tier 2), using time slots to communicate with the repeater.

  • Page 141: Tx Freq

    Users can set the channels transmit frequency (in MHz). The possible frequency depends on the available frequency ranges of the DB25-D. In ‘Digital’ mode, the DB25-D does not support simplex DMR Tier 1 operation with different TX and RX frequency. Whenever the RX and TX frequencies are different, the channel will be defined as a repeater channel (using DMR Tier 2), using time slots to communicate with the repeater.

  • Page 142: Prompt

    Notes: This parameter is only available in digital mode. 12.11 RX TS The DB25-D is based on TDMA technology and can divide a 12.5kHz channel into two alternate time slots. When operating a digital repeater or duplex-hotspot with the DB25-D, normally the digital repeater does have a TX-frequency different to its RX-frequency and uses DMR Tier 2 for transmission.

  • Page 143: Tx Ts

    Most Ham operators nowadays do have their own personal hotspot. Some of those hotspots do support ‘full duplex’, others only support ‘simplex’ operation. In order to successfully use a simplex hotspot with your DB25-D channel definition needs to be different than for duplex repeaters or duplex hotspots. Whilst duplex- systems use DMR Tier 2, simplex systems do use DMR Tier 1 or Tier 2 but requiring to use just one fixed time slot (often TS 2).

  • Page 144: Rx Cc (Color Code)

    Radioddity Extended manual for Radioddity DB25-D v1.0 12.13 RX CC (Color Code) Users can assign a color code for a RX channel. The channel Color Code can be same or different, but a repeater can have only one Color Code.

  • Page 145: Tx Policy

    Radioddity Extended manual for Radioddity DB25-D v1.0 12.16 TX Policy The Transmit Limit is represented by the TX Policy. It feres to the behavior when pressing the PTT-key at the radio. The activity status of the current channel determines how the radio will react.

  • Page 146: Scan List

    Radioddity Extended manual for Radioddity DB25-D v1.0 12.19 Scan List A predefined ‘Scan List’ may be assigned to the channel. During the scan, all members on the specified list will be scanned for activity. If the parameter is set to ‘Off’, the scan function on this channel will be disabled, (Including auto scan).

  • Page 147: Rx Sq

    CTCSS frequency of the transmitting radio, squelch will be opened. Only if the DCS decoding value of the DB25-D is consistent with the DCS encoding of the transmitting radio, squelch will be opened on the DB25-D.

  • Page 148: Tx Sq

    CTCSS frequency of the receiving radio, squelch on the receiving radio will be opened. Only if the DCS encoding value of the DB25-D is consistent with the DCS encoding of the receiving radio, squelch on the receiving radio will be opened.

  • Page 149: Firmware Update

    3. Connect your Radioddity DB25-D via the supplied programming cable to your Windows PC 4. Press the ‘P1’ button on top of the Radioddity DB25-D and keep it depressed 5. Additionally press the ‘power button’ left to the ‘P1’ button on the Radioddity DB25-D to turn it on 6.
  • Page 150 10. Choose the virtual COM-port that does represent your programming cable 11. Click on ‘Open’ 12. If the updater is able to connect to your Radioddity DB25-D, it will output ‘IAP Successfully’. If it isn´t able to connect to the radio, it will stay on ‘CommPort:COMx’...
  • Page 151 Notes: Do not use update files intended for other radios, even if those may be looking similar to the Radioddity DB25-D. Using files not intended to be put on a Radioddity DB25-D may result in a loss of any guarantee. 15. To start the actual update process click on the ‘IAP’ button.
  • Page 152 Radioddity Extended manual for Radioddity DB25-D v1.0 16. Do not press any key on the radio, do not remove power, just wait until the radio has finished the update process and turns off! During the update process, the status-LED will flash green and red and the application shows the progress by the increasing number of ‘Current Page’.

  • Page 153: Firmware Release Notes

    Radioddity Extended manual for Radioddity DB25-D v1.0 14 Firmware Release notes The following table lists the details that had been changed with new versions of the firmware. revision Changes released Improved single VFO display (full • screen now utilized) Factory reset reverts back to the •...

  • Page 154: Cps Release Notes

    Radioddity Extended manual for Radioddity DB25-D v1.0 15 CPS Release notes The following table lists the details that had been changed with new versions of the CPS. revision Changes released New function 'FactoryReset' for saving personal • factory defaults to the radio CPS 3.3...

  • Page 155: Quickstart For Common Use Cases

    DMR, we suggest to take a closer look at the document we did prepare some time ago (not specific for the DB25-D but most topics applicable for the Radioddity DB25-D as well. You find the document via our Blog entry at: https://www.radioddity.com/blogs/all/radioddity-getting-on-air-with-your-dmr-radio...

  • Page 156: Duplex Analog Fm Operation With A Local Analog Fm-Repeater

    9. Set APRS to ‘Off’ for now Write your settings to the radio. Do not forget to switch to Zone ‘simplex FM’ and select Channel ‘FM simplex’ at your Radioddity DB25-D. Now you are ready for your very first simplex analog FM QSO.

  • Page 157: Analog Fm Operation Including Analog Aprs

    Using analog APRS does require a bunch of settings to be made within the APRS menu of the Radioddity DB25-D CPS. For initial testing, we advise to use a beacon with a fixed location (1) representing the latitude and longitude (2) of your current QTH.

  • Page 158: Simplex Digital Dmr Operation With Other Station

    Radioddity Extended manual for Radioddity DB25-D v1.0 Notes: Only analog channels are supported by analog APRS. Only digital channels are supported by digital APRS. 16.4 Simplex digital DMR operation with other station In order to setup the radio for simplex digital DMR operation, follow these steps: 1.

  • Page 159: Simplex Digital Dmr Operation With Single-Hat Hotspot

    13. Set APRS to ‘Off’ for now Write your settings to the radio. Do not forget to switch to Zone ‘simplexDMR’ and select channel ‘DMRsimplex’ at your Radioddity DB25-D. Now you are ready for your very first simplex digital DMR QSO with the selected station.

  • Page 160: Duplex Digital Dmr Operation With Dual-Hat Hotspot

    Write your settings to the radio. Do not forget to switch to Zone ‘simplex HS’ and select channel ‘HS TG 99’ at your Radioddity DB25-D. Now you are ready for your very first simplex digital DMR QSO using your hotspot.

  • Page 161: Digital Dmr Operation With Digital Repeater

    15. Set APRS to ‘Off’ for now Write your settings to the radio. Do not forget to switch to Zone ‘My Hotspot’ and select channel ‘HS WW’ at your Radioddity DB25-D. Now you are ready for your very first digital DMR QSO via your duplex hotspot.
  • Page 162 6. Set the ‘RX Freq’ and ‘TX Freq’ to the values required by your local repeater. 7. Set the output ‘Power’ to ‘Low’ as you are just operating your radio with a hotspot probably just a few meters apart from your DB25-D. 8. Set ‘PCT’ to ‘Patcs’...
  • Page 163 Write your settings to the radio. Do not forget to switch to Zone ‘My Hotspot’ and select channel ‘HS WW’ at your Radioddity DB25-D. Now you are ready for your very first digital DMR QSO via your duplex hotspot.

  • Page 164: Common Problems And How To Solve Them

    Radioddity Extended manual for Radioddity DB25-D v1.0 17 Common problems and how to solve them Problem Solution Channel selector knob does Turn on Channel Switch: no longer allow to switch MENU (press knob) -> Local Set -> Channel Sw - between the channels >MENU (press knob to change setting)
  • Page 165 Radioddity Extended manual for Radioddity DB25-D v1.0 Problem Solution Analog APRS does not work Analog APRS currently only works if an analog channel has been selected, the proper analog APRS settings have been applied and an analog iGate is within RF-coverage.

  • Page 166: Ctcss And Dcs Sub Audio Signaling

    Radioddity Extended manual for Radioddity DB25-D v1.0 18 CTCSS and DCS sub audio signaling The DB25-D supports a total of 51 CTCSS (Continuous Tone Coded Sub audio Squelch) frequencies, 103 normal DCS values and additional 103 inverted DCS values. 18.1...

  • Page 167: Supported Dcs-I (Digital Coded Squelch Inverted) Values

    Radioddity Extended manual for Radioddity DB25-D v1.0 18.3 Supported DCS-I (Digital Coded Squelch Inverted) values D017I D114I D205I D306I D411I D503I D606I D703I D023I D115I D212I D311I D412I D506I D612I D712I D025I D116I D223I D315I D413I D516I D624I D723I D026I...

  • Page 168: Connectivity

    GPS antenna that comes with the Radioddity DB25-D is a passive one and absolutely sufficient for use with the Radioddity DB25-D. If you plan to add an external antenna to the Radioddity DB25-D you need to make sure that sufficient signal input level gets to the Radioddity DB25-D. This will more or less require the use of an active GPS antenna.

  • Page 169: Rj45 Speaker-Microphone

    Radioddity Extended manual for Radioddity DB25-D v1.0 19.4 RJ45 Speaker-Microphone The Speaker-Microphone is connected via its RJ45-plug to the RJ45-socket of the Radioddity DB25-D. The RJ45 socket may also be used for programming the radio. It is based on 3.3 V signals.

  • Page 170: Technical Specifications Of The Db25-D

    Radioddity Extended manual for Radioddity DB25-D v1.0 20 Technical specifications of the DB25-D All of the following technical specifications are subject to change without further notice. 20.1 General specifications Parameter Frequency 136…174 MHz 400…480 MHz Frequency Stability ±2.5 ppm Type...

  • Page 171: Receiver

    Radioddity Extended manual for Radioddity DB25-D v1.0 20.2 Receiver Parameter Frequency Range 136…174 MHz 400…480 MHz Channel Spacing 12.5 kHz / 25 kHz Operating Bandwidth ≤±5 kHz @ 12.5 kHz / ≤±7 kHz @ 25 kHz Frequency stability (-20 °C … +25 °C) ±...

  • Page 172: Certification

    Extended manual for Radioddity DB25-D v1.0 21 Certification Our Radioddity DB25-D is certified according to FCC part 90. It may also be sold in the European Community as it is also conformant to the European regulations. This is attested by the included cartificates.

  • Page 173: Ce Certificate

    Radioddity Extended manual for Radioddity DB25-D v1.0 21.2 CE certificate Below you find a copy of the CE certificate for our Radioddity DB25-D mobile radio. © Radioddity page 173 of 175...

  • Page 174: Where To Find Support Material

    Support area on our official website by following these steps: https://www.radioddity.com/ → Support → Radioddity → click on ‘DB25-D’ As for the Radioddity DB25-D the resulting support page will look similar to the following: As soon as any new material becomes available (such as firmware updates, updated manuals or others), it will be published within our Support area.

  • Page 175: Revision History Of This Document

    In general the software- and firmware-updates for your Radioddity DB25-D are free of charge. Using a CPS or a firmware not originating from Radioddity will void your warranty. Thank You for Shopping at Radioddity! FIND TUTORIALS, SUPPORT AND MORE AT: https://www.radioddity.com/...

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