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Are USB cable extensions available?

April 26, 2017cable extensions USB

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Are USB cable extensions available?

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The USB standard specifies a maximum length of 5 metres (approx. 16 feet) for USB cables. Extension cables are available, but are not recommended. If a cable longer than 5 metres is required, it is possible to connect a hub that allows a further 5 metres. Or it is possible to use an ‘active repeater’ cable – essentially a cable with its own mini-hub built in to one end. You can ‘daisy-chain’ up to 5 five-metre cables, using 4 hubs, or 4 ‘active repeaters’, plus one plain cable, to give a maximum of 25 metres (80 feet). See this page for information about USB 1.1 and USB 2.0 cables.