Tripp Lite's 20-meter (65 ft. ) USB 2.0 active extension cable is a bus powered extension cable that can be used to increase the length of a device cable without the worry of signal loss and potential performance problems. USB limits a cable's length to 16ft. Any length above 16 feet requires the use of an active cable such as this one. This cable has a signal booster built in. The overall cable length can be extended up to 131ft by daisy chaining up to 2 of these active cables. The cable must be plugged directly into a USB port (either on the PC or a hub). Use a standard 6' 10' or 15' USB A-B cable to reach the desired distance.