A common issue with CCTV installations is earth or ground loop problems which causes rolling humbars, cross talk or picture tearing.
The TM-100 GLI a ground loop isolator that terminates ground loop currents in a cable and blocks the hum and interference carried in the ground loop. The GLI is useful where a video signal is transmitted via cable between points with different ground potentials which are typically caused by unbalanced power line loads.
Ideally, it should be connected at the DVR end, into the DVR from the camera.
Built-in surge and lightning suppression protects video equipment against damaging voltage spikes. Furthermore, crosstalk and noise immunity ensure high quality video signals.
No external power is required.