Fast Photonics 25G Bidi SFP+ Optical transceiver modules are designed for 25G Ethernet and CPRI links up to 10km over single mode fiber. They are operating on 1270nm/1330nm wavelength, use single LC connector, compliant with the SFF-8472,SFF-8402,SFF-8432 and IEEE802.3cc protocol.The optical transceiver is RoHS compliant.