[Enhanced Power & Frequency]: Increases the mission power from 0.1-3W input to 30W output, significantly extending the communication ability ranging from 400MHz to 470MHz frequencies.[Two Power Levels for Flexibility]: Offers two adjustable output power levels of 30W and 15W to accommodate different operational needs.[Efficient Half-Duplex Operation]: Features automatic mit and receive switching for smooth half-duplex communication, ensuring smooth itions between sending and receiving signals.[Low Reception Loss]: Maintains a low reception loss of 1dB, minimizing signal degradation and ensuring clear and reliable communication.[Compact and Reliable Design]: Operates on a stable 13.8V powersupply and consumes 6A, making it suitable for various applications and ensuring reliable performance in various environments. It has an inbuilt fuse for safer use. Name: Power AmplifierInput power: 0.1-3W mission frequency: 400-470MHzWorking mode: Half duplex automatic mission and reception conversion (unable to receive in mitting state)Receiving loss: 1dBOutput power: divided into high and low levels, 30W/15W respectivelySupplying voltage: 13.8VWorking current: 6AColour:SilverMaterial:Aluminum Alloy 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.