Review Details

FrSky R9M 2019 Module and R9 Slim+ OTA Receiver with mounted Super 8 and T antenna

FrSky R9M 2019 Module and R9 Slim+ OTA Receiver with mounted Super 8 and T antenna

Product Review (submitted on July 27, 2020):
I tested both products on the market, but in terms of range in reinforced concrete houses, the R9M won with the access protocol with the same power