How to make communication between older and new radio, which may the main issue surrounding you. For FRS license-free radio, the default frequency is fixed. Now Retevis FRS license-free radio, the default frequency is the same. If you got the older radio can’t talk with a new radio, Please try to program the same FRS frequency to make them communication
How to make communication between older and new radio of FRS license-free radio
Normally, FRS radio has 16 channels with the default frequency
Taking H777 radio as an example
If the older H777 radio can’t talk with the new radio, how to do it?
1.Please firstly download the USB driver by this link: www.retevis.com/USB_Driver/USB_universal_Driver.zip
2.Download and install H777 software by this link:
https://www.retevis.com/H777-UHF-Walkie-Talkie-Flashlight-Two-Way-Radio/#
3. Import the default file to save a file by H777 software
4.Taking this file to import other older H777 radios so that the frequency and CTCSS/DCS is the same between older and new radio
If you don’t know how to program H777 radio, there’s an article for reference on how to program Retevis radio: https://www.twowayradiocommunity.com/index.php/how-to-programme-retevis-two-way-radios/
If you have any questions on how to make communication between older and new radio of FRS license-free radio, You also can contact us by email, partner@retevis.com
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