Fast Photonics 10G Bidi SFP+ Optical transceiver is designed for 10 Gigabit wireless front-haul links up to 20km over single mode fiber. They are operating on 1270nm/1330nm wavelength, use single LC connector, compliant with the SFF-8472, 10GFC, IEEE802.3ae protocol.The optical transceiver is RoHS compliant.