?Application? It's able to use on all Cisco 1000BASE-T 1Gigabit Ethernet 1.25G switches, Servers, Routers, NICs and other transmission equipment for Enterprise LAN Networks in data center and other cooper networking connections. ?5 Warranty? We support 30-Days Free-returned or Exchange, 5-Years long period for Free-maintenance. and if you have any technical problems, E-mail us, 24Hours online for your after-sale service. ?1.25G SFP T? 1000BASE-T 1.25Gbps Gigabit Ethernet over Cat 5 cable, SFP-T Copper SFP to RJ45, 100 meters, Mini-GBIC, Hot pluggle, auto-negotiation, low power consumption, operation temperature range for 0 to 70°C (23 to 158°F). MSA compliant. ?Wide Compatible? Dependently Compatible for Open Sources Brands, including Ubiquiti UF-RJ45-1G, Netgear AGM734, Brocade E1MG-TX, Unifi, Finisar FCLF852XP2BTL, TP link RJ45SFP-TPL and Dlink DEM-311GT, SFP-1000T, Trendnet, Supermicro, ZTE, Qnap Extreme etc. If your brand is in, you can have a try. ?100% Compatible?for almost all Arista 1GE Gigabit Ethernet Switches, Servers, Routers, NICs on 10GBASE-T standards, the EEPROM data is unique coding and writing as Arista SFP-1G-T.