OverviewThe BL-1AR device is designed for video signal transmission from one camera via one pair of twisted-pair cable. The device adapts the RG59 Cable to the twisted-pair cable (Cat-5e) ensuring video signal transmission over a distance up to 400 m. With the combination: BL-1AT + BL-1AR, the video transmission is up to 1800meter (Colour) and 2400meter (B/W) BL-1P + BL-1AR, the video transmission is up to 1200meter (Colour) and 1800meter (B/W) This Balun Method is for Cost effectiveness and easy installation process. Size : 81 X 58 X 30 Weight: 80g