Features Great Efficiency --- Designed to have a wide frequency range of 3.5‑30Mhz, the radio transceiver with wide band coverage has high efficiency. Wide Application --- Allows for extensive use in SSB, AM linear power amplifiers, CW, FM power amplifiers, and most basic signal amplification. Higher Stability --- Circuit AB linear, used for low power radio power connection, also has 5W input, 70W output and low noise in stable work. Good Performance --- With a overall gain more than 40dB, the radio transceiver is equipped with a fan for better heat dissipation in operation. Simpler Carrying --- Comes with a light weight and a compact size as well, the durable radio transceiver is very convenient to carry for use. Specification: Item Type: Radio Transceiver Material: PCB Power Supply Voltage: 13.8V Current: 6-10A Maximum Input Power: 5W Maximum Output Power: 70W Frequency Range: 3.5-30Mhz, 10M-80M. Air Cooling: Forced cooling with fan.  Package List:1 x Radio Transceiver 43 x Welding Accessory Package List 1 x Radio Transceiver 37 x Welding Accessory