Features:
Built-in TX/RX auto cut circuit, no need for special PTT line, with signals input automatically switch to transmit mode.
Built-in powerful fan, the temperature reaches the set value automatically open cooling, which can prolong the service time of the tool.
This high frequency power amplifier is suitable for USDX FT-817, Elecraft KX3, QRP, FT-818, G90, G90S, G1M, X5105 Ham AMP.
The operating frequnecy is 3~24MHz, and transmission and pulling power is 1~5W.