Published On Jul 4, 2020
Teardown of the Retevis RT3S aka TYT MD-UV-380 and comparison with the TYT MD-380 and the GD-77 (aka TYT MD-760).
I forgot to mention in this video, that this was sold as the GPS version of the radio.
I eventually found the GPS chip, but its on the keypad/display PCB
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