This Passive CCTV Video Balun with Power that in addition to transmitting CCTV video over CAT5 CAT6 network cabling. Also,it allows for the injection of power to your security camera over your Passive Video Balun with Power that in addition to transmitting CCTV video over CAT5 CAT6 network cabling, also allows for the injection of power to your security camera over your network cable. It is also called a "Video Power Balun" by CCTV professionals. Make note this is not an active balun, as the power is being injected over the cable to the camera to power it and not to the balun itself to strengthen the signal. It is also called a "Video Power Balun" by CCTV professionals. Make note this is not an active balun, as the power is being injected over the cable to the camera to power it and not to the balun itself to strengthen the signal.