MFJ-272 Lightning arrester DC-1GHz UHF-F/F 1.5kW handles 1.5 kW PEP. Safe-guard your expensive equipment from static electricity and lightning induced surges on 50 Ohm coax. Ultra-fast gas discharge tube that safely shunts up to 5000 amps of peak impulse SWR less than 1.1:1. Less than 0.1 dB loss. Use up to 1000 MHz