Atlona AT-VBNC400SR BNC Composite Video CAT5 Passive Extender The Atlona BNC Composite Video Extender is a perfect solution to extend SDTV Composite video plus analog audio over a single CAT5 or CAT6 wire. AT-VBNC400SR includes 2 x Send/Receive units with a BNC video connection on the front and a CAT5/CAT6 connection on the back. This passive Composite BNC extender is capable of transmitting signal up to 600 Meters in Black and White, and 400 Meters in color. These Units are perfect for security and CCTV applications. This Unit does not require power.