Ubiquiti Ethernet Surge Protector Gen 2 (ETH-SP-G2).

Dimensions: 91 x 61 x 32.5mm
Weight: 80g
Interface Connections: 2x RJ45
ESD/EMP Protection: Absorbing Transient Current with Responce to Surge Voltage from 100V/s to 1kV/us
DC Spart: Over Voltage - 90V @ 100V/s
Maximum Impulse Spark: over Voltage - 700V @ 1kV/us
Discharge Current: 5kA Maximum / 0.5kA Normal
Maximum Insulation Resistance: 1Gohm @50V
Maximum Capacitance: 1.0 pF @ 1MHz
Data Line Protection: Gigabit Ethernet
IEEE 802.3af POE Support: Yes