The BTECH GMRS-V1 radio is interesting in its design. The first 22 memory channels are pre-programmed from the factory with GMRS simplex and repeater channels. These channels are presented on the GMRS Channels tab of the program. The receive frequency, transmit frequency, offset frequency and offset direction cannot be changed either through software or from the face of the radio. This is truly designed to be a GMRS radio.

The Receive Channels tab presents channels above 22. These can be programmed with frequencies from 137-174 MHz and 400-520 MHz and customized with Tone and other options. These channels are for receive only. You will notice there is no Transmit Frequency on any of these channels. This part of the radio is designed as a scanner.

Enjoy your radio. We trust the RT Systems programmer will help you set up details needed to get all you can from it.

NOTE: BTech changed the layout of the channels with a radio release in the Spring of 2020. The memory structure of this radio changed to channels 1-30 as GMRS channels and 0, 31-124 as receive only channels.

One you complete Communications | Get data from radio, the programmer will reflect the radio.

If you open a "new" file when the program is in the "old" state, channels will remain at original channel locations.... realize that will make channels 23 - 30 move from GMRS to receive only channels. Once in that group, they are used like the others in that group (i.e., they become receive only).

If you open an "old" file when the program is in the "new" state, you may see channels 23-30 as blank with no way editing. If there are receive only frequencies in the file, they will be pulled into the 23-30 channels and not be editable. If these are frequencies other than GMRS, the radio will display them but not transmit on them.

Next: You can send am old file to a new radio and a new file to an old radio. Channel 0 may or may not be programmed after you do... especially sending new to old.

So... given the differences and similarities and given there is NO WAY on the radio to tell which is which... if you are handling a lot of these radios for an organization, you might want two laptops... but then how are you going to know about the radio you're handed until you do Get data from.

We want to thank the Chinese designers for all this fun with this radio.



07/17/2020
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