DUAL "F" GRoundING BLOCK 3GHZ
75-481 1 GHz version
75-481-3 3 GHz version
DOUBLE _F" CONNECTOR GROUND BLOCK
Lighting arrestor/grounding block intercepts and sends harmlessly to ground lighting surges carried by coaxial cable shield. Protects VCR_s, TV_s, etc. Inserts into 75 ohm cable TV or antenna system.