1. HONLIG TO HONLIG: Coaxial UHF lightning protector (UHF female) socket to socket (UHF female), coaxial cable lightning surge protector. With ground screw connection for easy installation. 2. INSTALLATION METHOD: Connect a thick copper wire (8 or 10 gauge) from the ground screw on the side of the arrester to a ground rod driven into the ground with a minimum length of 3 feet. 3. LOW LOSS: UHF lightning protector from DC to 3GHz for reliable broadband performance, insertion loss 0.1dB and VSWR 1.2, replaceable 90V gas tube element with high surge capacity. 4. APPLICABLE: Lightning surge protector provides extremely low loss HF VHF UHF other frequency equipment. Suitable for CB radios, HAM radio equipment, and two-way base stations. 5. INSTALLATION LOCATION: Lightning protector is installed as close as possible to the equipment to be protected, usually at the point where the coaxial cable enters the building, or it can be installed near the antenna to provide additional protection.