Eliminate picture tearing, cross talk and rolling with this passive video ground loop isolator. This isolator is easy to install, needs no power and reduces ground loop interference with HD CCTV signals. Perfect for situations where video signals are being transmitted via cable between points with unbalanced power line loads. Features include: Frequency Response 25Hz ~ 50MHz (0?3dB) Coaxial Input/Output Resistance 75 Ohm Ground Isolation >90dB @ >50Hz Isolation Voltage 500VAC / 600VDC Insulation Resistance >1M Ohm CMRR > 60dB Protection and Warranty: This ground loop isolator comes with a 3-year warranty, 30-day money-back guarantee, and free US-based technical support.