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Telephone transmission line tester combined with a multimeter.
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from $6.00
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Protect your expensive LAN tester! The Triplett Line-Bug 4 Phone/LAN Tester checks LAN lines (RJ-45) wired to 568 A/B standard for damaging telephone line current.
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from $8.95
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A voltage multimeter for telecommunications.
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from $159.99
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A testing device to view security cameras and surveillance systems.
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from $309.94
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from $389.99
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