QSFP28 is a newly popular transceiver form factor defined by SFF Committee SFF-8636 and SFF-8665, as the upgraded version of QSFP+, it supports a higher speed of 103G. 

The Gigaopto 100G QSFP28 transceiver series includes QSFP-100G-SR4 100m, QSFP-100G-ESR4 300m, QSFP-100G-PSM4 2km and 10km, QSFP-100G-CWDM4 2km and 10km, QSFP-100G-LR4 10km, QSFP-100G-ER4 40km, QSFP-100G-ZR4 80km, QSFP28-100G -100km,100GBASE-SWDM4 300m, etc. This series of optical transceivers adopts LC or MPO interface, with low power consumption, small size, high-speed characteristics, is commonly used in data centers, telecommunications networks, and other high-bandwidth applications that require fast and reliable data transmission.

All 100G QSFP28 transceivers comply with the QSFP28 MSA, CE, FCC, Reach, and RoHS standards.