CCTV BNC Balun with audio or PTZ video power over a single UTP cable. Screw terminals for audio or PTZ (Pan-Tilt-Zoom, RS422/RS485) and screw terminals or BNC male connector for video, 2.1mm coax power jack for power. Transmission distance up to 2000". Includes 6-Inch DC power pigtail cable with 2.1mm plugs