... 1. Transmiting 8 channel Video signal via fiber 2. AL material more light 3. Lightning protection ... ;No interference between analog in adjusting channel, picture and range;4 steps filtering;Completely digital, broadcast transmition ... : single/multi modeTransmit distance: multi mode up to 2 km, single mode up to 100 km, WDM ... optional power 5W (single terminal) Digital Video Transmitter and Receiver