GAMMA OTDR is a free Android app from Vitaly Stolyarov SVPRIBOR that enables the users to use their smartphones or tablets as a fully functional OTDR. It comes with a flexible interface that provides manual and auto-analysis modes to characterize the traces. Moreover, the app supports Bellcore/Telcordia compliant trace format (SOR files version 2.0) in accordance with GR-196-CORE OTDR (SRData Standard.

One of the most notable features of GAMMA OTDR is its ability to act as a remote control function to make an Android device a part of a powerful measuring system. The app supports SVPRIBOR optical reflectometers GAMMA series, which can be found on their website. With this app, users can easily view optical traces and analyze them. Overall, GAMMA OTDR is a versatile and multifunctional app that can be useful for professionals in the optical communication industry.