Are you in need of splitting off your HF, VHF, or UHF signals, then Comet triplexers are what you are looking for. Comet CFX-431A Triplexer 1.3-150MHz,400-500MHz, 900-1400MHZ Sometimes referred to as combiners or splitters, these triplexers are basically band-pass filters, simultaneously passing RF in both directions through the common connector, while the band-pass filters provide a high degree of isolation between ports. Additional information: * TX and RX from three radios at the same time into a single triband antenna. * Combine a triband radio with separate outputs into a single triband antenna. * Allow a single coax run into three antennas at the top of the tower, and three radios at the bottom, by using a triplexer at both ends of the coax run, avoiding cost and weight. Warranty