The Xiegu XPA125B (new version) is a 100 watts solid-state linear power amplifier for frequencies from 1.8 to 30Mhz and 50 to 54Mhz, with an integrated antenna tuner and a big and bright display for monitoring the amplifier status. It is equipped with protections: temperature, overcurrent, detection of input and output. It's perfect for your QRP radio or low power SDR transceiver.<br><br> The 2.7 inch large backlit LCD display screen shows input/output power, SWR, voltage, current, temperature, amplifier status as well as warning messages making the operation of this modern amplifier simple and also user friendly. The serial connection allows you to hook it up the computer to update the firmware.<br><br> <b>Compatible Models</b><br> ✔ Xiegu: G90, G1M, X5105, X108G<br>✔ Yaesu: FT-817, FT-818<br><br><b>★Specifications</b><br> <b>Amplifier:</b><br> Frequency range: 1.8-30MHz, 50-54MHz<br> Input power: ≤ 5W<br> Maximum output RF power: 1.8-30MHz ≥100W | 50-54MHz ≥ 90W<br> Maximum Ambient Operation Temp: 131 Fahrenheit(55 Celsius)<br> Gain: 13 dB (+/-2dB)<br> Spurious Suppression: >50 dB<br> Supply Voltage: 12-15 Volts DC<br> Transmit Current Draw: @ max output 30 Amps<br> Current parameters: Standby 260mA @Max Launch: 30A@Max<br> Receive Current Draw: @ max 700 mA<br> Working voltage: 12V~14.5V DC<br> Weight: 3.53lb<br> Machine size: 10.24*6.3*2.56in [Excluding knobs, handles, etc.]<br><br> <b>ATU</b><br> ATU Frequency Range: 1.8-30 MHz & 50-54 MHz<br> ATU Tuning Range: 14-500 Ohms<br> ATU maximum tuning range: 14~500Ω<br><br><b>What's in the box?</b><br> 1 x Xiegu XPA125B 100W Linear Power Amplifier<br>1 x Control Cable for Xiegu Transceivers<br>1 x DC Power Cable<br>1 x USB Cable for PC Connection<br>1 x User Manual