Features 1、Good wiring and heat sink design to maintain long‑term stability and good heat dissipation. 2、Broadband RF low‑power amplifier, suitable for 144MHz (130‑180MHz) radio transmitter learning and use. 3、Easy to use, no particularly complicated operation is required, the installation of this amplifier is very simple. 4、Suitable for all kinds of 380‑450MHz transmission use, such as radio frequency remote control, radio and other transmission use. 5、Input 0.1W (20dBm) can output 5.0W 7.2V power, with high gain and efficiency, especially suitable for small power amplifiers. Specification Item Type: Power Amplifier Commodity Material: Printed Circuit Board Working Frequency: 130-180MHz Input Power: 0.1W (20dBm) Maximum Output: 2.5W (34dBm) 5.0V Power Supply 5.0W (37dBm) 7.2V Power Supply 8.0W (39dBm) 10.0V Power Supply (Not Recommended)) Working Voltage: DC5-7.2V Working Current: 1-2A (Determined by Output Power) RF Connector: Standard SMA Female Size: Approx. 50 x 50 x 15mm / 2.0 x 2.0 x 0.6in Package List 1 x Power Amplifier