Winegard AP-2870 Preamplifier Dual Input 19 dB UHF 17 dB VHF for HDTV Antennas (Discontinued by Manufacturer) High performance, low noise TV antenna preamplifier Dual inputs for separate VHF and UHF antennas 17 dB gain average VHF, 19 dB gain average UHF Built in FM Trap to prevent overload from strong local FM stations Power supply and power injector included