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The new converters support the transport of 4K/UltraHD/2K/HD/SD video and audio over long distances (up to 10km) over one optical cable. The new 12G-SDI models comprise the FiDO-TR-12G transceiver; the FiDO-T-12G single-channel transmitter; the FiDO-R 12G single-channel receiver; the FiDO-2T-12G dual-channel transmitter; and the FiDO-2R-12G dual-channel receiver.