Cobra 25 LTD Owner's Manual

Am/fm professional cb radio 4w power / 40 channels

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© 2023 Cobra Electronics Corporation
For more information or to order any of our products, please visit our website: www.cobra.com
Cobra
, Nothing Comes Close to a Cobra
and the snake design are registered trademarks
®
®
of Cobra Electronics Corporation, USA. Cobra Electronics Corporation
Cobra Electronics Corporation, USA.
25 LTD AM/FM
Professional CB Radio
4W Power / 40 Channels
is a trademark of
813-PK0639-001
Owner's Manual
Our Thanks, The CB Story,
and Customer Assistance
Thank you for purchasing the Cobra 25 LTD AM/FM CB Radio
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Citizens Band Radio History
Invented by Al Gross in 1945, the CB radio originally served as a method of communication for troops
during World War II. After the war, Gross worked to make two-way radios a way of communication
for personal use and the CB radio service was established by law in the U.S. in 1949. It wasn't until
the 1970s that technology advanced and the CB market caught on as a method of communication
between drivers to report police speed traps and road hazards.
The Citizens Band Radio Service consists of 40 channel frequencies that are mostly 10 kHz apart.
Transmitter power is limited to 4 watts in the US, and range can vary depending on the terrain and
quality of the product.
Currently, the Citizens Band service does not require a license for operation, regardless of age, as
long as the rules of operation established by the Federal Communication Commission (FCC) are
followed.
Petition For FCC Part 65 Rule Changes
In 2016, Cobra petitioned the FCC to revise Part 95 rules to allow CB radios to use frequency
modulation (FM). Cobra contended that FM offers improved speech quality and lower noise
interference, which improves the standard of two-way radios and is a benefit to the customer.
Through the direct efforts of Cobra Electronics and the enthusiastic support from loyal customers and
the distribution network the FCC granted the request. In 2021, Part 95 officially was updated to
include FM as an option for two-way radio use.
Today, thanks to Cobra Electronics' petitions to improve the quality of the Citizens Band Radio
Service, users can enjoy the benefits of CB radio communication in a range of industries.
Customer Support
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manual, we are here to help:
Service, Orders & Product Questions
For service, product questions and service hours call 800-543-1608 or go to www.cobra.com
For Assistance Outside the U.S.A.
Contact Your Local Dealer
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Table of Contents
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Summary of Contents for Cobra 25 LTD

  • Page 1 Petition For FCC Part 65 Rule Changes In 2016, Cobra petitioned the FCC to revise Part 95 rules to allow CB radios to use frequency modulation (FM). Cobra contended that FM offers improved speech quality and lower noise interference, which improves the standard of two-way radios and is a benefit to the customer.
  • Page 2: Fcc Regulations

    FCC Compliance HG S300 DYNAMIC EXTERNAL SPEAKER Any changes or modifications not expressly approved by Cobra Electronics could void your authority to WITH NOISE FILTER operate the equipment. This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:...
  • Page 3: Table Of Contents

    Temporary Mobile Operation ....................10 How Your CB Can Serve You....................11 CB 10 Codes ........................13 Frequency Ranges ......................14 25 LTD Classic Specifications .....................15 Limited 2-Year Warranty .......................16 Need Help? ..........................17 FCC Statement ........................18 Replacement Parts & Accessories ..................20...
  • Page 4: Installation

    Installation Installation Installation Installation Location 4. Connect the red lead of the DC power cord to an accessory 12 volt fuse or directly to Plan for the location of the CB transceiver and microphone bracket before starting the the battery. installation.
  • Page 5: Antennas

    AM/FM slide switch to the desired operating mode. Once selected a green indicator will appear Please visit www.cobra.com, or if you'd like to speak with an expert, please call to the right of the displayed channel and 1-800-543-1608 and our Customer Care Group can assist.
  • Page 6: To Receive

    Operation Operation To Receive RF Gain Control Rotate the On/Off Volume knob clockwise. The RF Gain is used to optimize reception in While receiving the RX/TX LED will be strong or weak signal areas. illuminated and the lower portion of the Rotate the RF Gain knob counterclockwise meter will show the incoming signal strength.
  • Page 7: Setting Dynamike

    NOTE: The external speaker should have 8-ohm impedance and be rated to handle at least 4.0 watts. When the external external speaker is plugged in, the internal speaker is automatically disconnected. Cobra external speakers are rated at 10 watts.
  • Page 8: Anl (Automatic Noise Limiter) Switch

    Be exact. to purchase an optional automobile power I njuries Number. Type. Trapped? adapter from your Cobra dealer. This adapter P roblem Give details and help needed. and a magnetic mount antenna allow you to Transmit CLIP repeatedly so any monitor can assist.
  • Page 9: Cb 10 Codes

    How Your CB Can Serve You CB 10-Codes Operation Operation Citizen Bands have adopted the “10-CODES” for standard questions and answers. The FCC gives these examples of permitted and prohibited messages for channel 9. These codes provide quick and easy communication, especially in noisy areas. These are only guidelines and not all-inclusive: The following are some of the more common codes and meanings: Permitted...
  • Page 10: Frequency Ranges

    Specifications Frequency Ranges GENERAL The Cobra 25 LTD Classic transceiver represents some of the most advance AM/FM Channels CB - 40 CH two-way radios used as a Class D station in the Citizens Band Radio Service. Frequency Range CB - 26.965 to 27.405 MHz These model features an advanced Software Defined frequency synthesizer IC...
  • Page 11: Limited 2-Year Warranty

    If you have any questions about operation or installing your new Cobra product, PLEASE Cobra warrants your product against all defects in materials and workmanship for a period of two CONTACT COBRA FIRST…do not return this product to any retail store.
  • Page 12: Fcc Statement

    FCC Statement FCC Statement IC RSS-GEN, Sec 8.3 Warning Statement FCC Part 15.19 Warning Statement ENGLISH: This radio transmitter (identify the device by certification number, or model number if Category II) THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND (2) THIS DEVICE has been approved by Industry Canada to operate with the antenna types listed below with the maximum MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED...

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25 ltd classic

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