uxcell CCTV Camera Coax BNC RJ45 UTP Cat5 Passive Video Balun Transceiver x 2 Product Name : Video Balun;Material : Plastic, Metal Main Color : Black;Distance : B/W 600M Color up to 400M Frequency : 8 MHZ;Connector : RJ45 100 Ohm, BNC 75 Ohm Size : 5 x 2.5 x 1.9cm/ 1.9" x 1" x 0.75"(L*W*H);Net Weight : 44g Package Content : 2 x Video Balun