Coaxial Video Ground Loop Isolator Balun BNC Male to Female for CCTV Camera B1W7

1 x BNC Video Ground Loop Isolator. Prevents power cables laid by others interfering with the CCTV system. Coaxial Input/Output Resistance: 75 Ohm. Eliminates picture tearing, talk and rolling. Ground Isolation: more than the 90dB more than the 50Hz.

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