wayoverthere Posted December 13, 2022 Report Share Posted December 13, 2022 57 minutes ago, markskjerve said: After MARS/CAP mods on the three listed above: The FTM-400XDR does 136-174Mhz RX/TX and 400-480Mhz RX/TX The ID-5100A does 137-174Mhz TX and 400-470Mhz on RX/TX The TM-V71A does 136-174Mhz RX/TX and 400-470Mhz RX/TX It's not hard to find how to modify them, YouTube is your friend. I'd be curious about the power outputs, though, especially on the yaesu. I know there's been some reports of reduced output on gmrs on mars-modded ft-5dr, at something like 1.3 watts, iirc. Power in the ham bands apparently remained unaffected. Quote Link to comment Share on other sites More sharing options...
Bande1 Posted December 18, 2022 Report Share Posted December 18, 2022 TYT radios can be unlocked in their proprietary software. load software then download from radio like you would in CHIRP. Then go to the Frequency Range tab, hit "ctrl+f11" and enter the password 9800TYT (this includes the TH-7800/7900). Then you can text edit the TX frequencies from 400Mhz-480Mhz. Upload to radio. Sshannon and MichaelLAX 2 Quote Link to comment Share on other sites More sharing options...
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