Qooltek ST-NET Ethernet Surge Protector for 10/100/1000 Base-T PoE+ Gigabit Modem Thunder & Lighting Protection ST-RJ45 Imax=10KA, Isn=5KA; 7.5 inch green ground wire NM Surge Response Time (ns): 1 ns Interface Connection Type: RJ45 Female to Female Earthing Method: Direct Grounding System by Connecting Line Data Line Protection: RJ45 10/100/1000 Base-T Ethernet