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Here is an ideal wireless network cable tester to check whether RF signal is present in the network cable or not. It is a non contact version tester and can detect the presence of RF signal from a ...

Klein Tools introduces the Non-Contact Voltage Tester with Laser Distance Meter (Cat. No. NCVT-6), which detects the presence of AC voltage and measures distances up to 66 ft – all in one lightweight, ...

Microcontroller-based circuits for testing cables, sometimes in conjunction with a PC, are easy to use and very flexible. For the hobbyist, however, the complication of such devices is not justified.