50W HF Power Amplifier for USDX FT-817 IC-703 705 KX3 QRP FT-818 Xiegu G90 -M

Before use, you need to use nanoVNA or similar tools to determine the transmitting antenna impedance of 50? Send by default the same UHF interface as the picture.

Built-in TX/RX auto cut circuit, no need for special PTT line, with signal input automatically switch to transmit mode. Built-in powerful fan, the temperature reaches the set value automatically open cooling.

Transmission and pulling power: 1~5W. 50W HF Power Amplifier for USDX FT-817 IC-703 705 KX3 QRP FT-818 Xiegu G90.