6-band output low-pass filter has been optimized. 1.8-30MHz, 150W maximum output, 15W maximum input and 4 adjustable amplification gains. With high temperature protection and high SWR protection. High-performance NPO capacitors are high voltage resistant, with low pass! The product is neat and beautiful!Full digital power, standing wave display. Perfect protection: High voltage, low voltage, high standing wave and high temperature. RF detection automatic band switching. Automatic temperature control for heat dissipation. Dimensions (WxHxD): 182 x 60 x 164mm/7.2 x 2.4 x 6..5.