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1  I purchased 5 rt21 radio's and the disk to program them with the cable; but it does not work with windows 10. can you send me a link to the correct software?

2  Hello Where can I download the programming software for the RT21 and RT81? Thanks and Greetings Stephan

3  Is there a way to get the radio to beep when you press the transmit button and when you receive call?

4  Hello I have RT21, is a good radio but i have problema. I can not programming this frequency 446.00625 446.01875 446.03125 Help

5  After the download the software for RT21 shows error message and can not be used. With RT1 and H777 everything is OK. Need a solution otherwise i have to return the equipment to the seller. Greeting Ralf

6  Is the rt21 compatible with h777? My coworkers have the h777s but I want the rt21.

7   i cannot get any transmission in or out when i turn the radio on it informs me of the channel then the red light comes on

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