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 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