Fiber rangers are a form of test equipment functioning similarly to an optical time domain reflectometer (OTDR).

The difference is that a fiber optic ranger is smaller in size and lightweight compared to an OTDR, and is generally considered a more cost-effective tool in analyzing and testing single mode fiber test applications. Technicians from across the United States, Canada, and globally use GAOTek fiber rangers every day to complete optical fiber link troubleshooting, maintenance, and testing.

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ID: GAO-OTS-102

This Optical Talk Set with Full Duplex (Fiber Attenuation) combines both the functions of a digital optical phone and a stabilized light source and comes with the fiber attenuation value testing feature.