This Passive Balun will allow you to transmit power and video over CAT5 cable up to 1,000 ft. Just use standard RJ-45 connectors on the ends of the CAT5 or CAT6 cable. These baluns have RJ-45 plugs built right in. Its unparalleled interference rejection and low emissions allows video signals to co-exist in the same wire bundle as teleph1, datacom, or low-voltage power circuits. This allows the use of a shared or existing cable plant. Package comes with 6 pairs.