Opek LP-350a Lightning static Surge Protector Cb ham Radio Antenna 50 Ohm
Standard so239 connectors fit Pl259COAXIAL LIGHTNING SURGE PROTECTOR    FREQUENCY: DC - 500 MHz    IMPEDANCE: 50 OHMS    POWER: 300 W max,)    INSERTION LOSS: LESS THAN 0.1dB    DISCHARGE VOLTAGE: DC 350VAntenna Static Discharge CouplerStatic discharge coupler. Attach between antenna & radio and attach a wire to ground.Discharges static build-up on the coax line.Useful in aiding in the prevention of static or lightning damage.