1,CE Certification & Test Report 2,SPD, Surge Protector,ethernet 3,gigabit ethernet device Surge Protectors for 1000MHz Network ModelTD9-02/8-08 ... Operating Voltage Uc8VI/O TypeRJ45Port Quantity8162422Protected Circuit1,2,3,4,5,6,7,8Operating Temperature-25....+80Housing MaterialMetalDegree of ProtectionIP20 ethernet