10 x Balun DVR-A2 video via UTP CAT5 CCTV DVR/QUAD/MUX 600 meters 5 pairs for what is it for?? Many times we need surveillance systems to physically connect cameras to the DVR at large distances, the discomfort arises in carrying too long BNC cables with large signal loss. This device connects one to the camera and the other to the DVR and with a very simple and cheap double cable you can take the image from the camera to the DVR over a distance of up to 500 meters. This device is indispensable when the cable length of the cameras exceeds a i 50 a i Meters. Over 50 meters the camera cannot transmit the video signal to the target device (monitor, DVR or other device). In fact, it is a converter for transmitting the video signal of wired cameras over twisted cable up to a cable length of 400 meters. They are sold in pairs because one goes to one end of the cable and the other goes to the other end. Characteristics – 10 x Balun – BNC connection – not powered – Possibility of colour transmission 300 – 500 meters – Possibility of transmission colour white and black 600 metres