Features:* Limiter, protects signal amplifiers from light flashes, requires additional ground cable*. N female to n female light, body nickel plated brass, silver plated brass, Teflon(PTFE) isolator for reliable signal every time, salt spray test for 48 hours*.50 ohms surge protector, frequency range up to 3GHz/attenuation is less than 0.2dB/VSWR le; 1.2 ( DC-3Ghz)*. Coax surge protector, has a replaceable high-impact gas discharge element (90V gas pipe)*. N The surge protector should be installed as close as possible to protect the equipment, often at the point where the coaxial cable enters the building. They can also be installed near the antenna for added protectionSpecifications:1. Materials & Plated: Nickel plated brass body, silver plated brass, Teflon(PTFE) insulator for reliable signal every time, salt spray test for 48 hours Connectors: n-female to n-female RoHS2 compliant. Electrical Characteristics:Impedance: 50 ohmDielectric Strength Voltage: 2500V (RMS)Contact Resistance: Center Conductor le; 1mOmega;, outer cable le; 1mOmega; Insulation resistance: ge; 5000mOmega; Durability: GE; 500 cyclesTemperature range: -40°c to +85°cFrequency range up to 3GHzAttenuation is less than 0.2 dBVSWR le; 1.2Package Contents: 1 pc Light Protector