Feature: Broadband RF small power amplifier,suitable for all types of radio transmission,such as:short-wave FM wireless remote control,FM radio station transmission,amateur radio 135-175MHz,380-470MHz walkie-talkie and other launches. The low-frequency input 2mW can output 2.5W maximum power,and the maximum output can be 2W at 500MHz.The maximum output can be 1.5W at 800MHz.The maximum output can be 1.0W at 1000MHz.The amplifier housing has a heat dissipation function and can work stably for a long time. Specification: Material: Metal colour: silver Package Contents: 1 x 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.