?Attention? This is 10/100/1000M SGMII Multi-Rate SFP-T transceiver module, especially for Cisco and Mikrotik 10/100/1000MBase-T standards. If you want to buy 1000MBase-T Transceiver SERDES, please choose Size for "1000BASE-T: 100m". ?10/100/1000Base-T SFP? 10/100/1000BASE-T 1.25Gbps Gigabit Ethernet over Cat 5 cable, SFP-T Copper SFP to RJ45, 100 meters, Mini-GBIC, Hot pluggle, operation temperature range for 0 to 70°C (23 to 158°F). MSA compliant. ?Wide Compatible? Dependently Compatible for Open Sources Brands 10/100/1000BASE-T standards, including Ubiquiti, Netgear, Brocade, Unifi, Finisar, TP-link and Dlink, Zyxel, Trendnet, Supermicro, ZTE, Linksys, Qnap Extreme etc. If your brand is in, you can have a try. ?SGMII Auto-Negotiation?10/100/1000Mbps module can be used in equipment and switches with SGMII interface on the SFP, and the RJ45 end can be connected to the network ports of various types of equipment at 10/100M/1000Mbps data transfer rate through the network cable, and can also be connected to the 1000M electrical port module. ? SFP to RJ45? Independently Compatible for Cisco Brand Gigabit Ethernet 10/100/1000BASE-T standards, EEPROM data coding and writing as Cisco GLC-T, GLC-TE, SFP-GE-T, GLC-TA(10/100/1000M).