Optimized Performance: This 315Mhz 8W UHF RF Power Amplifier is designed for superior performance in ham radios and remote-controlled flight systems, ensuring reliable and powerful signal amplification. Advanced Technology: Equipped with the latest in RF technology, this amplifier board boosts your device's frequency capabilities, making it ideal for enthusiasts and professionals alike. Versatile Use: Perfect for 315M remote control applications and flight control systems, this amplifier enhances signal strength and stability, providing you with the best possible communication experience. Durable Construction: Built to last, the high-quality materials ensure durability and longevity, making it a valuable addition to your electronic components collection. Input power: 20-23dBm (0.1-0.2W), it can work even if it is lower than 0.1W. The output power will increase with the increase of input power and finally reach the maximum power point. Working voltage: 6-8.4V (typical lithium battery supply voltage) Working current: 1.6A (Max) Input impedance: 50 ohms Output impedance: 50 ohms Input and output terminals: SMA-k female (external thread and internal hole) 8V power supply, output 39.2dBm (8.3W), efficiency 66.6% Note: This amplifier is a unidirectional power amplifier and can only work in one direction. It cannot be used in two-way digital transmission or walkie-talkies and other devices that need to receive signals. Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:Green Material:plastic Package Contents: 1 x 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.