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Amazon.com: The Scout Pro 3 Tester Starter Kit is a versatile cable tester that locates and tests voice, data and video cables. : Industrial & Scientific
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Klein Tools VDV526-200 Cable Tester, LAN Scout Jr. 2 Ethernet Cable Tester for CAT 5e, CAT 6/6A Cables with RJ45 Connections, Yellow/Black - - Amazon .com