This RF amplifier is a linear power amplifier with low distortion and a wide frequency range, suitable for various forms of signal amplification. It can be used for TPMS transmission, wireless charging, and other communication or remote control applications as a final-stage power amplifier to enhance transmission power and increase distance. The amplifier operates within a frequency range of 100kHz-40MHz and has a gain of 37dB, with options for different gains available upon request. It supports a single power supply voltage of 12-15V and provides an output power of 4W at 12V and 6W at 15V. The amplifier is designed with SMA connectors and has a compact size, making it ideal for use in educational and research settings as well as by radio enthusiasts. This long wave medium wave, high-frequency amplifier in colleges and universities, research institutes and radio enthusiasts hands can be applied. Amplifier main parameters: 1. amplifier frequency of 100kHz-40MHz 2. single power supply voltage 12-15V, current 1A 3. amplifier gain of 37dB. If you need other gain please contact, the default 37dB. 4. input 1mW (0dBm), the output power 4W, the working voltage is 12v. When the working voltage to 15v, the output power 6W 5. impedance of 50 ohms 6. Output harmonic value -18dBc (at maximum output power) Typical 7. Input and output connectors SMA (female) 8. Dimensions 103 x 90 x 50mm 9.Weight:450g Color: As Shown Material: Metal Package Contents: 1* RF power amplifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.