Proxicast Coaxial Lightning Arrester 0 to 6 GHz (N-Female/N-Female) - Protects 3G, 4G, LTE, GPS, Wi-Fi, 900MHz, Ham Other Outside Antennas Reliable Wide-band Performance (DC ~ 6 GHz) Safeguards 3G / 4G / LTE Cellular Modems, Routers, Boosters / Amplifiers, 2.4 & 5 GHz WiFi Access Points, 900 MHz Radios and other Sensitive Communications Devices Bi-Directional Protection (N-Female / N-Female Connectors) - Bulkhead / Panel / Outdoor Mountable - High Quality Construction Very Low RF Insertion Loss (Signal Attenuation) - 50 Ohm Impedance - DC Pass-Through Gas Discharge Tube with Multi-Strike Capability Shunts Damaging Surges, Transients, and Lightning Strikes to Ground Connect to Antenna Coax Feedline and Earth Ground