The AL-FFFF series Coaxial Lightning Surge Protector gas discharge tube suppressor is high quality of 90V, 75Ω and unit features a F-Female to F-Female connector. It is suitable for applications where DC is carried through the coaxial cable, such as remote amplifiers and LNB's and down-converters. A ground lug and terminal are supplied directly on the lightning protector housing, which provides superior grounding.