1. Overview
The Retevis RA79 is a versatile dual-band amateur radio designed for reliable communication across various environments. It features multi-frequency reception, including aviation AM band, and offers flexible programming options. This manual provides essential information for setting up, operating, and maintaining your RA79 walkie-talkie.
- Multi-frequency Reception: Supports 2m/70cm/FM/AM bands, including aviation AM reception, for diverse communication needs.
- Rechargeable Battery: Equipped with a 1400mAh Li-ion battery, offering extended standby and usage times. Features a convenient Type-C charging interface and USB charging port.
- Flexible Programming: Channels can be programmed manually via the keypad or using software with a data cable and CPS (Customer Programming Software).
- Integrated FM Radio: Allows for listening to FM broadcasts, providing entertainment during travel or downtime.
- Long-Range Communication: Utilizes higher power output and a longer antenna to extend its effective range, suitable for amateur radio enthusiasts, hunters, and travelers.
- User-Friendly Design: Features an intuitive operating interface and user-friendly design, making it accessible for beginners.
2. What's in the Box
Upon unpacking your Retevis RA79, please ensure all items listed below are present:
- 2x Retevis RA79 Walkie-Talkie
- 2x Belt Clip
- 2x Hand Strap
- 2x Antenna
- 2x USB Desktop Charger
- 2x Multi-language User's Manual
3. Product Features
The Retevis RA79 is equipped with several features to enhance your communication experience:
- AM Aviation Receiving: Monitor aircraft and tower communications.
- Multi-band Receiving: Access 2m/70cm/FM/AM frequencies.
- One-Step Channel Capture: Easily pair two-way radios.
- Wireless Frequency Pairing: Convenient for outdoor team use.
- Speaker Microphone: Enhances communication clarity and security.
- USB Type-C Charging: Multiple charging options including adapter, power bank, PC, and vehicle.
- VFO Function: Change radio settings directly without a computer.
4. Setup
4.1 Battery Installation
- Align the battery pack with the back of the radio.
- Slide the battery upwards until it clicks into place.
- To remove, press the release latch and slide the battery downwards.
4.2 Antenna Attachment
- Screw the antenna clockwise into the connector on top of the radio until it is firmly seated.
- Do not overtighten.
4.3 Belt Clip Installation
- Align the belt clip with the designated slots on the back of the radio.
- Secure the belt clip using the provided screws.
4.4 Charging the Battery
The RA79 can be charged using the included USB desktop charger or directly via its Type-C port.
- Connect the USB desktop charger to a power source.
- Place the radio (with battery installed) into the charging cradle. The indicator light will show charging status.
- Alternatively, connect a USB Type-C cable directly to the radio's charging port.
5. Operating Instructions
5.1 Power On/Off and Volume Adjustment
- To power on, rotate the power/volume knob clockwise.
- Continue rotating to adjust the volume.
- To power off, rotate the knob counter-clockwise until it clicks.
5.2 Channel Selection
The RA79 supports both Channel Mode and VFO (Frequency Mode).
- Channel Mode: Use the UP/DOWN arrow keys to select a pre-programmed channel.
- VFO Mode: Enter frequencies directly using the keypad. Press the 'VFO/MR' button to switch between modes.
5.3 Transmitting and Receiving
- To transmit, press and hold the PTT (Push-To-Talk) button on the side of the radio. Speak clearly into the microphone.
- Release the PTT button to receive.
- Ensure the selected channel/frequency is clear before transmitting.
5.4 FM Radio Operation
To activate the FM radio function:
- Press the 'FM' button (often a dedicated button or a function key).
- Use the UP/DOWN arrow keys to scan for stations or enter a frequency directly.
5.5 Advanced Programming via Mobile App (Ailunce HA2 Example)
The RA79 may support mobile app connectivity for advanced channel and setting modifications. Refer to the specific app instructions for your model.
6. Maintenance
6.1 Cleaning
Regularly clean the radio's exterior with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners.
6.2 Battery Care
To prolong battery life:
- Avoid overcharging or completely draining the battery.
- Store the radio and battery in a cool, dry place when not in use.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Radio does not power on | Low or dead battery; incorrect battery installation | Charge the battery; ensure battery is correctly installed. |
| Cannot transmit or receive | Incorrect frequency/channel; antenna not properly attached; out of range | Verify frequency/channel settings; check antenna connection; move closer to other radios. |
| Poor audio quality | Low volume; interference; damaged speaker/microphone | Adjust volume; move away from sources of interference; contact support if hardware is damaged. |
8. Specifications
- Brand: Retevis
- Model Number: RA79
- Color: Black
- Number of Channels: 200
- Special Feature: Dual Band
- Frequency Range: 144-146 MHz; 430-440 MHz
- Maximum Range: 5 Kilometers
- Voltage: 7.4 Volts (DC)
- Water Resistance Level: Not Waterproof
- Product Dimensions: 65P x 28l x 115H millimeters
- Number of Batteries: 1 Lithium-ion (included)
- Compatible Devices: Two-way radios operating in 144-146 MHz and 430-440 MHz frequency ranges
- Tuner Type: U;V
- Country of Origin: China
9. Warranty and Support
Retevis offers a 2-year warranty for the radio body and a 1-year warranty for accessories. A 30-day return policy is also provided without specific reason required. Beyond the warranty period, maintenance services are available, with buyers responsible for associated costs. For support, please contact Retevis on Amazon, and a response will be provided within 12 hours.