🛡️ PROTECTS Cable Modem, Set top box, DVR tuner, TV and antenna coaxial RG6 connections. FCC, ROHS, IEC6069-16 compliant. ⚡ IMPEDANCE of 75 OHMS. Frequency range: 0-3G. Insertion loss: ≤1.2:1. Replaceable 90V Gas Discharge Tube (GDT). Coaxial RG6 Type-F Female-to-Female connections. 👜 Kit Includes: 1 foot coax RG6 jumper cable, 3 foot AWG 12 ground wire, 1 spare replacement 90V gas discharge tube (GDT), 1 male-to-male type-F adaptor. ⚙️ EASY INSTALL. Small compact design. Size: 1.96"x0.98"x0.98". Weight: 4.59 Oz. Operating temperature -67°F to 311°F. No loss of speed or quality. Additional replacement 90V Gas Discharge Tubes (GDT) are available for order separately. Protects coaxial RG6 connections against lightning, electronic static discharge (ESD) and electrical fast transient bursts (EFT/B). The device uses a 90V replaceable gas discharge tube (GDT) to dissipate excess voltage through a connected 12 AWG ground wire, protecting the connected device. For long coaxial cables in the walls or roof, we recommend installing this device at both ends. Perfect for cable modems, set top boxes, DVR tuners, TV's and antenna's.