Specifications: High Frequency LPF Frequency Range: 3.5Mhz-30Mhz Power: 100W Voltage: 12V Manually switch between bands: 27.6 ft (80 m), 144.2 ft (40 m), 66.6 - 66.9 ft (20 - 17 m), 59.Package includes: 1 x Low Pass Filter