Optimized Performance: This 315Mhz 8W UHF Single Band RF Power Amplifier is designed to enhance the signal strength and performance of amateur radio and RC aircraft. Operates efficiently at a frequency of 315Mhz, significantly increasing transmission power. High Power Output: With an 8W output, this amplifier board ensures high-quality sound and reliable communications for amateur radio and RC enthusiasts. It is ideal for extending the range and clarity of transmissions. Versatile Applications: Suitable for a variety of applications, including amateur radio setups and RC models, ensuring excellent signal amplification and stability. Working frequency: 300-330MHz Maximum output power (P1dB): 8W (39dBm)@8V 1.56A efficiency 65% 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 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) Note:This amplifier is a unidirectional power amplifier and can only work in one direction. It cannot be used on two-way digital transmission or walkie-talkies and other devices that need to receive signals. The product appearance and printed words may vary depending on the batch, but this does not affect use. Colour:As Shown Material:PCB 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.