SiPh 400G QSFP-DD LR4 EML CWDM4 10km SMF LC Optical Transceiver

FIBERSTAMP Silicon Photonics 400G QSFP-DD LR4 optical transceiver module adopts single-wavelength 100G PAM4 and silicon photonics integration technology, which is widely used in 400GBASE-LR4 Ethernet links, and the transmission distance can reach up to 10km through single-mode fiber with FEC on.


  • Hot-pluggable QSFP-DD form factor
  • 4-channel full-duplex transceiver module
  • 4-channel CWDM EML and PIN
  • Transmission rates of up to 106.25Gbps(100G PAM4)
  • Compliant with QSFP-DD MSA and IEEE 802.3cu 400GBASE-LR4 Ethernet standards
  • Transmission distance up to 10km over single-mode optical fiber (with FEC on)
  • Utilizes silicon optical integration technology
  • Duplex LC optical interface
  • Power consumption less than 10w
  • Commercial operating temperature range
  • Supply voltage 3.3V
  • RoHS compliant (lead-free)
P/N & Data Sheet Description
FBL-400C4K10C 400G QSFP-DD LR4 SiPh Optical Module

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