WS-G5483 1000BASE-T 
1000BASE-T GBIC transceiver module for Category 5 copper wire, RJ-45 connector
1000BASE-T GBIC (product number WS-G5483) connects a GBIC port to Category 5 wiring via a standard RJ-45 interface. The maximum Category 5 wiring distance is 328 feet (100 meters)

Our optical transceiver products line cover:
SFP GBIC
1.25G 2.125G 2.5G 4.25G DDM
CWDM SFP GBIC DWDM SFP
1.25G CWDM GBIC
155M 622M 1.25G 2.5G CWDM
155M 2.65G CWDM SFP
BIDI SFP
155M 1.25G LC 20KM 40KM DDM
155M 1.25G SC 20KM 40KM DDM
XFP X2 XENPAK
If you have any interested, please contact with me, we will try our best for you, thanks!

B.R
Newstar Networking Technology Co., Ltd.