Ubiquiti Ethernet Surge Protector (UBNT-ETH-SP) - Interface Connections: (2) RJ45 Female Connectors, DC Spark-Over Voltage:90V @ 100V/s, Maximum Impulse Spark-over Voltage: 700V @ 1kV/µs, Discharge Current: 5kA (Maximum), 0.5kA (Normal), Maximum Insulation Resistance: 1G ohm @ 50V, Maximum Capacitance: 1.0 pF @ 1 MHz, Wifi: RJ45 10/100/1000 Ethernet