depending on far you want to go I think you'll need a repeater in there, which I think is basically an amp for the signal.
USB is only good for 16' I think....
Quote:
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Originally Posted by wiki
Maximum Cable Length
The maximum length of a standard USB cable (for USB 2.0 or earlier) is 5 metres (16.4 ft).[28] The primary reason for this limit is the maximum allowed round-trip delay of about 1,500 ns. If USB host commands are unanswered by the USB device within the allowed time, the host considers the command lost. When adding USB device response time, delays from the maximum number of hubs added to the delays from connecting cables, the maximum acceptable delay per cable amounts to 26 ns.[28] The USB 2.0 specification requires cable delay to be less than 5.2 ns per meter (192,000 km/s, which is close to the maximum achievable transmission speed for standard copper cable).[29] This allows for a five meter cable. The USB 3.0 standard does not directly specify a maximum cable length, requiring only that all cables meet an electrical specification. For copper wire cabling, some calculations have suggested a maximum length of perhaps 3 m.
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edit: reading that I don't even think a repeater will help you past 16' since it can't physically speed up the signal....