1、Reasonable PCB Layout: The circuit design of the transceiver conforms to the high frequency circuit design principles to ensure excellent performance. 2、Better Transfer Efficiency: High transmission efficiency, the transmission efficiency of all frequency bands is above 75%, and the output power of 5 bands reaches 3‑5W power. 3、High Accuracy: The frequency accuracy of the transceiver is better than 1PPM, and the frequency stability is better than 0.5PPM. 4、Various Interfaces: The transceiver has multiple interfaces such as CAT, PTT OUT, MIC or KEY, K head microphone, etc. for your convenience. 5、Low Noise: All LPF parts use 100V COG or NPO capacitors, use a lower noise op amp chip than the LM4562, and operate with less sound. 1 x All Mode Transceiver1 x Microphone Item Type: All Mode TransceiverMaterial: Aluminum alloyVoltage: 13.8VDSP Filters: 4000, 2500, 1700, 500, 200, 100, 50 Hz passbandsBand: 80m, 60m, 40m, 30m, 20mFull Mode Support: USB, LSB, CW, AM, FM