1、This RF low power amplifier is suitable for 144MHz transmission and is equipped with a heat sink, which can operate stably for a long time. You can use the RF amplifier with confidence 2、The standard SMA female connector is suitable for connecting to most devices. The input is 0.1W and the output is 5.0W 7.2V. Giving you a good experience 3、This product has a wide frequency range, high gain and low noise figure. Durable materials provide long‑term corrosion protection and can be used for long periods of time even in salty air environments 4、The radio frequency amplifier is designed with a shielded shell, which is especially suitable for various radio frequency receiving front-end circuits to extend the communication distance 5、Widely used in high‑frequency or intermediate‑frequency preamplifiers of radio receivers, high‑sensitivity amplifier circuits of electronic testing equipment, transceiver wireless communication cards Item Type: RF Amplifier Material: Printed Circuit Board Purpose: RF Power Amplifier Color: Green Model: PX144M5W 1 x RF Amplifier