Evertech 4 Pairs HD Video Audio Power Balun Compatible with 1080P/720P TVI AHD CVI Analog CCTV Cameras (Tested Well) Network Transceiver Connectors CAT5/CAT6 to BNC TRANSMITS AUDIO / VIDEO AND POWER OVER SINGLE CABLE 1.000 FT. VIA CAT5 TWISTED PAIR CABLE LOWER CABLE COST AND LABOR