Extend a composite video signal with supporting audio up to 200 meters 650 feet using cat 5 cabling the computpexta composite video extender over cat 5 with audio lets you extend a composite video source signal up to 200 meters 650 feet using standard cat 5 utp cabling the composite over cat 5 extender is comprised of two extender units that can be used interchangeably one is installed near the video signal source the other to be placed near the desired display up to an impressive