... long distance video image,digital,audio signal TR-8000 Series Field Optical Node SummaryThis type of Optical Node is ... transmit parts, could develop the return access conveniently.Insert Dual-Filter, insert Fix-Equalizer, Fix-Attenuator insert output splitter, ... Aluminum waterproof housing, high-capability power switch, anti-thunder system, make sure work properly outdoor.Work properly under low- ...