Audio Video RF Ethernet ASI HD-SDI SDI Data Fiber Optic Transmitter Receiver Transceiver HD-SDI, HD-SDI Encoder, fiber, optic, video, audio, ethernet, multiplexer, mpeg, gigabit, baseband, transmission, cable, singlemode, optical, transmitter, network, transceiver, cwdm, receiver, data, Global Comlan is a fiber optic transport company specializing in long-haul Video, Audio, Data/Ethernet, and CATV transmitions over fiber. We are experts and building custom equipment that brings together many different signals for transport over a single fiber over Ethernet IP, DS3,T1,Wireless circuits .