ProXtend SFP+ ER LC 40KM 10Gb/sProXtend SFP+ ER LC 40KM 10Gb/s The ProXtend compatible SFP-10G-ER SFP+ transceiver provides a maximum 10Gb/s throughput up to 40km over single-mode fiber (SMF). using a wavelength of 1550nm via an LC connector. The transceiver has been preprogramed. data traffic and application tested. guaranteeing that it is 100% compatible and will perform the same as the original Cisco equivalent.from £167.83 up to £226.10 Pcnova.co.uk (United Kingdom) →£168.00LaptopHub.uk (United Kingdom) →£168.00Gamingkit.co.uk (United Kingdom) →£171.00OnBuy.com (United Kingdom) →£226.00Compare prices4→