Networking Products
QSFPTEK QSFP28 100GBASE-PSM4 1310nm 500m MTP/MPO-12 SMF DDM Optical Transceiver Module Compatible Intel QSFP-100G-PSM4-S
Rate: 100G; Connector: MTP/MPO; with DDM DFB+PIN; Low Power Consumption <3.5W Applied in Campus Network, Data Center and Enterprise Core Layer Compatible with 100+ Vendors Hot Pluggable QSFP28 MSA Compliant
https://www.bizrate.co.uk/networkingproducts/qsfptek-qsfp28-100gbase-psm4-1310nm-500m-oid40095634122.html