This is a kind of quality radio frequency power amplifier, 34.8dbm(3W) max output, 15V powersupply, support 2MHz to 700MHz broadband work. This radio frequency Power Amplifier's typical power-gain is 35 dB. Suitable for various types of HF, FM, VHF, wireless-applications, FM shortwave radios remote control toys, digital radio, etc. You can have a try. Features: Adopts quality circuit board, more stable and more reliable. Perfect layout design making everything easy to operate. Broadband power amplifier for various types of HF, FM, VHF, wireless-applications, FM shortwave radios remote control toys, digital radio, etc. 34.8dbm(3W) max output, 15V powersupply, support 2MHz to 700MHz broadband work. This radio frequency Power Amplifier's typical power-gain is 35 dB. Specifications: Name: Radio Frequency Power Amplifier Color: black+green Material: PCB board+plastics+metal Supply voltage:DC12-15V (typical 15V 0.3-0.5A) Working frequency: 2MHZ-700MHZ Input and output impedance: 50 ohms Maximum output power: 34.8dbm(3W) Maximum input power: 300M gains slightly decreased) Item size: 75 * 32 * 28mm / 2.95 * 1.26 * 1.10in Item weight: 23g / 0.81ounce Package size: 100 * 71 * 30mm / 3.94 * 2.80 * 1.18in Package weight: 25g / 0.88ounce Packing List: 1 * Radio Frequency Power Amplifier