TP-LINK TL-ANT24SP N Male to Female Surge Protector Quarter Wave Technology Maintenance Free N-Plug to N-Jack connector Frequency Range: DC ~ 3GHz VSWR: 1.3:1 Max Rating Voltage: 1000V Medium Voltage: 2500V Connector: N-Type Plug and N-Type Jack Protects your device from lightning strikes and other electrical surges Maintenance Free N Male to Female