IL<2.4dB , 100GHZ 8CH DWDM MUX DEMUX Multiplexing of 8 Channel DWDM over a Dark Fiber Network Fully Compatible with All ITU-T 1G/10G/25G/40G/100G DWDM Optics Passive devices, No Power No Cooling Required Support Metro, Regional and Long Haul DWDM Networks