It has standard 75 Ohm with F-Male to F-Female coaxial connectors. It is a coaxial F Surge Protector, operates over the frequency range of 0-1 GHz. Designed to be placed between amplifier and outside antenna cable connection, need to be grounded. (DC Pass) It has a replaceable Gas Discharge Element with High Surge Power Capability and Bi-directional Protection ( 90V Gas tube) Protect your amplifier and boosted devices from power surges typically caused by lightning strikes to outdoor antennas. Material: Body: brass nickel plated Pin: Body brass gold plated Insulator: Teflon(PTFE) Specifications: Connectors: F Male to F Female Impedance: 75 ohm, specifically for 75 ohm systems VSWR: =1.2 Insertion Loss: =0.3dB Frequency Range: DC - 1 GHz Temperature range: -40°C to +85 °C Insulation Resistance: = 5000M? Durability: = 500 cycles Contact Resistance: Center conductor = 1.5m?, Outer conductor = 1m? Package Include: 1pc F Male to Female Lightning Arrestor surge protector

Used for CCTV camera, video system, Ham radio gear, CB antenna, two-way radio, scanners and more. Protect your amplifier system from lightning strikes by installing lightning arrestor between amplifier and outdoor antenna. Operating Frequency DC-1 GHz, DC Pass for Remote Powering. Low Loss and VSWR and 75 Ohms Impedance. Lightning Arrestor F Male to F Female Connectors.