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Radioddity DB20-G User Manual
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Radioddity DB20-G User Manual

Gmrs-transceiver and noaa-receiver
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DB20-G
GMRS-Transceiver and NOAA-Receiver

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Summary of Contents for Radioddity DB20-G

  • Page 1 DB20-G GMRS-Transceiver and NOAA-Receiver...
  • Page 2 4.13 VFO Scan and Channel Scan ····················· ······················· 3. GETTING ACQUAINTED In the past several years, Radioddity has been better serving the needs of two-way radio buyers by creating a safe 4.14 VOX On/Off control ······························· 3.1 Front panel shopping experience. We do this by providing the highest quality products, at an affordable price, and backing that 4.15 How to Install Driver and Start Programming...

  • Page 3: Getting Acquainted

    1.2 Quick Use External speaker jack 4.2 Adjusting the Volume 1. Open package , take out DB20-G radio and spares. Turn volume knob clockwise to increase the “audio 3. GETTING ACQUAINTED 3.3 Microphone 2. Connect power supply, microphone and antenna.
  • Page 4 RX signal is week, hold front panel key or Pre-programmed tone pulse frequency 4.5 Store channel 2. Follow Part 95E rule, DB20-G only allow transmitting microphone key to monitor weak signals. on GMRS frequencies. In standby status, press the microphone key, the RX frequency range.

  • Page 5: Shortcut Operation

    “ALL PROGRAMS” menu, choose 000N~777I 2. Press key or key to choose function. Sub channel on/off switch and click “USB To Com port” in DB20-G program, 67Hz~254.1Hz, 3. Press key to choose value. install “USB To Com port” driver by indication. RX CTC/DCS...
  • Page 6 7. SPECIFICAITONS 6.3 Reset Factory Default Function name Setting value If your radio seems to be malfunctioning because of 1~100, GENERAL 5 Tone wrong operation or setup, this function will resume all Press PTT to transmit setup and channels to factory default. TX1: 462.5625-462.7125MHz (5W) 1~32, 2 Tone...

  • Page 7: Attached Chart

    1024 groups DCS Code TRANSMITTER Wide band Narrow band Code Code Code Code Code Code Code Code Power - USA version 462.5625-462.7125MHz (5W) ; 462.550-467.725MHz (18W) (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) Modulation 16KΦF3E 11KΦF3E Adjacent Channel Powe ≥...
  • Page 8 Code Code Code Code Code Code Code Code Code Code Code Code Code Code Code Code (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) 137. 138. 139. 140. 141. 142. 143. 144. 281.
  • Page 9 Menu List Code Code Code Code Code Code Code Code (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) (Octal) Menu No. Menu Selection Description & Default settings 425. 426. 427. 428. 429. 430. 430. 431. 432. Default: OFF 433. 434. 435. 436.
  • Page 10 Menu No. Menu Selection Description & Default settings Menu No. Menu Selection Description & Default settings Default: SQ Default: OFF This transceiver has 5 squelch modes available. Squelch function is CTCSS/DCS codes are privacy codes, Only when the code of the used for increasing the level of filtering unwanted signal, and free transmit frequency and receive frequency is matching you can from disturb.
  • Page 11 Menu No. Menu Selection Description & Default settings Menu No. Menu Selection Description & Default settings Default: OFF Default: OFF CTCSSS /DCS TX Noise Compander CTCSSS /DCS: Channel Busy and lock. When the radio receives a COMP Compander function will filter the background noise to enhance audio matched carrier, transmission is prohibited.
  • Page 12 Menu No. Menu Selection Description & Default settings Menu No. Menu Selection Description & Default settings Default: 3 Default: OFF LIGHT BEEP You can adjust the LCD screen backlit brightness from 1 to 5. Turn on or turn off the Key beep. Default: OFF Default: OFF This function allows hands-free conversations, just speak to the...
  • Page 13 05: SINGAL Menu No. Menu Selection Description & Default settings This transceiver has 5 squelch modes available. Squelch function is used for increase the level of filtering unwanted Set back to the factory default settings. signal, and free from disturb. FACTORY RESTORE FACTORY ：Reset back to the factory settings of menu...
  • Page 14 the transmission is prohibited. smit matching signaling. DTMF and 5Tone signaling can be applied for other advanced features such as ANI, PTT BUSY: Channel Busy and lock. When the radio receives a matched carrier, transmission is prohibited. ID, group call, select call, remotely stun, remotely kill waken etc.. It is an Optional Signaling, this feature is similar to CTCSS/DCS.
  • Page 15 23: SQL 28：TBST SQL means Squelch, the ability to receive weak signal. TBST means Repeater tone. Level 0: Squelch off You can select different repeater tone to connect the GMRS repeater. Level 1-9: Level 1 is the lowest squelch level, level 9 is the highest squelch level. With this function you can select 1000Hz, 1450Hz, 1750Hz, 2100Hz repeater tone.
  • Page 16 Appendix A. - GMRS Frequency Chart (MHz) CH.No CH.Freq.(MHz) Name CH.No CH.Freq.(MHz) Name 462.5500 / 467.5500 RPT-1 462.6500 / 467.6500 RPT-5 CH.Freq.(MHz) Name CH.Freq.(MHz) Name CH.No CH.No 462.5750 / 467.5750 RPT-2 462.6750 / 467.6750 RPT-6 462.5625 GMRS-1 467.6625 GMRS-12 462.6000 / 467.6000 RPT-3 462.7000 / 467.7000 RPT-7...