Features 1.MODEL: Coaxial UHF lightning arrester (UHF male) socket to socket (UHF male), coaxial cable lightning surge protector. With ground screw connection for easy installation. 2.HIGH PERFORMANCE: UHF lightning arrester from DC 3GHz for reliable broadband performance, insertion loss 0.1dB and VSWR 1.2, replaceable 90V gas tube element with high surge power capability. 3.APPLICABLE OBJECTS: UHF coaxial lightning arrestor defend your life, the protector provides extremely low loss HF VHF UHF other frequency equipment. Suitable for CB radios, HAM radio equipment and two way base stations. 4.INSTALLATION LOCATION: Lightning arrester is installed as close as possible to the equipment to be protected, usually at the location where the coaxial cable enters the building, or it can be installed near the antenna to provide additional protection. 5.1/4 WAVELENGTH: Theory and practice have proven that the transmit and receive conversion efficiency of an antenna is higher when the length of the antenna is 1/4 of the radio signal wavelength. specificationItem Type: UHF Lightning Arrester Material: Metal Frequency Range: DC 3GHz Discharge Voltage: DC 90V Impedance: 50 Ohm Insertion Loss: