... CATV Trunk Amplifier:Model no.: GF-8055R2 Way Amplifier GF-8055RUse in cable TV network . Features: Imported amplifying module to amplifying RF signal ... channel, return channel, Send back upstream RF or data signal can be sent to optical node . User configurable, ... 550 MHz, 750 MHz, 862 MHz compatible, easy online upgradeFittings for amplifier( attenuator, equalizer, two-way filter) adopt plug-in ...