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4-in-1 Multifunction Optical Power Meter 15KM Network Cable Tester RJ45 Test LED | eBay
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Red Light Visual Fault Locator 3-in-1 Optical Power Meter + Red Light Pen + Network Cable Sequencing Suitable for SC, FC, ST Fiber Interfaces (-70~3dBm + 15KM VFL Red Light (Charging Style)):
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