The S-RJ01 is a RJ45 SFP 10/100/1000M copper module, compatible with most Gigabit SFP ports available on various networking devices. Up to 1.25 Gb/s bi-directional data links 100m transmission over unshielded Compliant with IEEE Std 802.3TM-2002 Compliant with SFP MSA RoHSCompliance Access to physical layer IC via 2-wire serial bus RJ-45 connector Hot Pluggable SFP footprint +3.3V single power supply Extended case temperature range (0°C to +85°C)