Coaxial UHF arrester also known as surge protector, surge divider. It is usually connected between the grid wire and the ground wire, ham radio accessories, sometimes it is also connected next to the electrical winding or between the wires.
This UHF PL259 female arrestor, complete in construction, is made of high quality brass and operates in the frequency range from DC to 3 GHz. It uses 90V gas discharge tubes to shunt surges and transients to ground, protecting sensitive communications equipment from these events.
SO239 arresters: Frequency Range: DC-3GHz | Discharge Voltage: DC90V | Impedance: 50 ohms | Insertion Loss: <0.1 dB| Max Power: 50W | Max surge voltage let through:200 mV
This Coax Surge Protector widely used in CB radio ,Ham radio, Amateur radio,Power SWR Meter, Transceiver, UHF VHF radio, remote antenna switch, Walkie Talkies, Marine Boat Antenna Radio, Antenna Analyzer, Antenna Tuner, Dummy Load, Radio Scanner, cb base station etc.