Feature: 1. 【Enhanced Power & Frequency】: Increases the transmission power from 0.1-3W input to 30W output, significantly extending the communication ability ranging from 400MHz to 470MHz frequencies. 2. 【Two Power Levels for Flexibility】: Offers two adjustable output power levels of 30W and 15W to accommodate different operational needs. 3. 【Efficient Half-Duplex Operation】: Features automatic transmit and receive switching for smooth half-duplex communication, ensuring smooth transitions between sending and receiving signals. 4. 【Low Reception Loss】: Maintains a low reception loss of ≤1dB, minimizing signal degradation and ensuring clear and reliable communication. 5. 【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. Specification: Name: Power AmplifierMaterial: metalInput power: 0.1-3WTransmission frequency: 400-470MHzWorking mode: Half duplex automatic transmission and reception conversion (unable to receive in transmitting state)Receiving loss: ≤1dBOutput power: divided into high and low levels, 30W/15W respectivelySupplying voltage: 13.8VWorking current: 6AItem size: 170 * 114 * 66mm / 6.69 * 4.49 * 2.60inItem weight: 908g / 2.00lbPackage size: 210 * 105 * 140mm / 8.27 * 4.13 * 5.51inPackage weight: 1007g / 2.22lb Package List: Packing List:1 * Power Amplifier