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 series optical transceiver includes SR4, PSM4, CWDM4, LR4, ER4,ZR4,SWDM4 and other series. 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 transceivers comply with the QSFP28 MSA, CE, FCC, Reach, and RoHS standards.