Maxwellon SFP28 optical transceivers are designed for use in 25G/28G data network over Single mode fiber or multimode fiber. The fiber transceivers complied with IEEE 802.3, SFF-8472 Rev 12.2, IEEE-8402,SFF-8432 and portions of SFF-8431 Rev.4.1. The 25G SFP28 Transceivers featured with small size for improving port density, reliable connecting, and low power consumption, it is idea Data Centers, 5G Network, HPC, 25G Ethernet and Fiber Channel