Linear DA-550BID ChannelPlus Bi-Directional RF Distribution Amplifier with 12V IR 54 MHz to 1 GHz forward bandwidth 5 MHz to 42 MHz reverse bandwidth 3 dB nominal gain on TV outputs Maximum input level 20 dBmv Can be powered remotely For cable modem and pay-per-view applications Inputs for 2 modulators Outputs for up to 8 TV locations 5-42 MHz return path for bi-directional communication Frequency range 5 MHz-1 GHz