GrenTech 100G QSFP28 PSM4 is a type of Four-Channel, Pluggable, Parallel, Fiber-Optic 100g optical transceivers for 100GEthernet Applications. The QSFP28 full-duplex optical module offers 4 independent transmit and receive channels, each capable of 26Gbps operation for an aggregate data rate of 104Gbps 10km over single-mode fiber. This module is designed to operate over single-mode fiber systems using a DFB laser array. An optical fiber ribbon cable with an MPO/MTP TM connector can be plugged into the QSFP28 module receptacle. Contact GrenTech for more 100g psm4 info!