The identiFINDER R-series are field-trusted, handheld radiation detectors that quickly locate and measure radioactive sources with confidence. They deliver rapid radioisotope identification to reduce time to action and expedite response measures. The next generation of the world's most deployed RID - the FLIR identiFINDER R425 - offers increased sensitivity, flexible power management, and industry-leading communication features. FLIR's new cubic detector design, sourceless stabilization, advanced heuristics, and hybrid identification techniques enable R425 to deliver high performance detection in all directions.