100G QSFP28 4WDM-10 DML CWDM4 10km Optical Transceiver

GIGALIGHT 100G QSFP28 4WDM-10 optical transceiver is used for long distance interconnection in data centers and is compliant with 100G 4WDM-10 MSA specification. The product has a built-in pair of 4-channel CWDM MUX and DEMUX with center wavelengths of 1271nm, 1291nm, 1311nm and 1331nm, respectively, and can be transmitted over distances up to 40km using a single-mode fiber pair (with FEC enabled).


  • Hot-pluggable, full-duplex transceiver module packaged in QSFP28 form factor
  • 4 channels DFB-based CWDM uncooled transmitter and PIN ROSA
  • Transmission rates of up to 25.78125Gbps per channel
  • Compliant with QSFP28 MSA and 100G 4WDM-10 MSA Ethernet transport protocol
  • Distance up to 10km using 1 pairs of single-mode fibers (both require FEC to be turned on)
  • Power consumption less than 4w
  • Dual LC optical connectors
  • Commercial and industrial grade operating temperature range
  • Supply voltage 3.3V
  • RoHS compliant (lead-free)
P/N Description
GQS-SPO101-4LR4C 100GE QSFP28 4WDM-10 DML CWDM4 10km Optical Module
GQS-SPO101-4LR4T Industrial-grade 100GE QSFP28 4WDM-10 DML CWDM4 10km Optical Module

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