Today we take the Radtel RT-490 and go through the menus, key up on frequencies that it shouldn't be allowed to transmit on, plus put the radio on the TinySA to see what type of signal it has. The results might surprise you...
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Links for the video:
RadTel RT-490: https://amzn.to/3vwLcBo
TinySA: https://amzn.to/3SenPWh
(affiliate links)