Specification: Name: RF Linear Power Amplifier. Operating frequency: 1-1050MHz. Working voltage: 12- 18V. Working current: 400~600mA. Amplification gain: 32-36dB. Output Power: 3W (typ), 3.5W max. Working status: Class A linear. Connector form: SMA standard female head (external screw inner hole). Dimensions: 103 x 105 x 33mm (without connector). Product weight: 170g. Connection method: 1) RF in: signal input terminal (signal that needs to be amplified). 2) RF out: signal output terminal (output terminal after signal amplification). 3) VCC: Positive pole of power supply (feed through capacitor). 4) GND: negative pole of power supply (wire nose and shielding shell). 5) LED: Power supply indication. Note: When installing, use the close contact between the housing and other metals to assist heat dissipation. Package included: 1 x RF Linear Power Amplifier