Diamond Original SP3000 DC-3000MHz Coax Surge Protector/Lightning Arrester - Connectors: N Female to N Female Diamond Lightning Arrester DC - 3000 MHz, Connector: Type N female to Type N female, 200w PEP Impulse Wave Discharge Voltage: 1000v. Impulse Wave Discharge Capacity: 6000A. During the lightning season every spring and summer, these Diamond Antenna SP-Series Lightning Arresters save many pieces of ham equipment around the world! Lightning is every radio operator's nemesis, professional or amateur. To protect your precious radio equipment, you need quality lightning protection. These arresters are vailable with several coaxial connection schemes and with multiple RF power ratings. They're designed to pass DC current, so you can install these arresters in-line with external devices requiring coaxial DC power-feed. Then, when the thunder-boomers approach, you can sit back, relax, and let these Diamond Antenna SP-Series Lightning Arresters take the hit for you!