Ubiquiti Ethernet Surge Protector (UBNT-ETH-SP-G2) - Interface Connections: (2) RJ45 Female Connectors, ESD/EMP Protection Absorbing Transient Current, Surge Voltage: from 100V/s to 1kV/µs, DC Spark-Over Voltage 90V @ 100V/s, Maximum Impulse Spark-Over Voltage: 700V @ 1kV/µs, Discharge Current: 10kA+, Maximum Insulation Resistance: 1G ohm @ 50V, Maximum Capacitance: 1.0 pF @ 1 MHz, Wifi: RJ45 10/100/1000 Ethernet