50W Power Amplifier with TX/RX 3-24MHz HF Amp Plastic for Elecraft KX3 QRP FT-81

50W HF Amplifier with TX/RX 3-24MHz High-frequency Power Amplifier 13.8V for USDX FT-817 ICOM IC-703 IC-705 IC705 Elecraft KX3 QRP FT-81. Model Number: HF Power Amplifier. Size: The size of the power amplifier is about 150 50mm, which is small and portable.