The H3C SFP-GE-SX-MM850-A isa 1G SFP transceiver with a LC connector, 850nm, for up to 550-meter multi-modefibre connections Units are tested and compatible with all H3C products, including switches,firewalls, access points and wireless access controllers. Features: Mode: multi- mode Data Rate: 1Gbps Distance: 550m Wavelength: 850nm Connector type: LC