Advanced Comm - Gigabit Ethernet PoE Surge Protector -1000Mbps data rate -Compatible with 48V power over Ethernet systems -63V PoE clamping voltage -1.5KA surge discharge current -CAT5 and CAT5e compatible. All 8
Tupavco Ethernet Surge Protector (PoE+ Gigabit) Gas Discharge Tube for Full Protection - RJ45 Lightning Suppressor - LAN Network CAT5/CAT6 Thunder Arrestor - GbE 1000 Mbps TP302 : Amazon.co.uk: Electronics & Photo
RJ45 Surge Protector 10/100/1000Mbps ETH-SP-G2 White (Ubiquiti) - Comtec Direct