Amplificador de potencia automático TX/RX 50Ω impedancia bajo ventilador de ruido de viento para USDX HF

Before use, you need to use a for Nano VNA or similar tool to confirm that the transmit antenna impedance is 50Ω and the VSWR < 1.5. Interface impedance: 50Ω. Built-in powerful fan, the temperature reaches the set value and automatically turns on the heat dissipation, and the wind noise is low.

eBay