The Model SAM 950 Ruggedized Isotope Identifier is designed to meet the requirements of ANSI 42.34 criteria for hand-held instruments for the detection and identification of radionuclides. Our patented “Smartphone based hand-held RIID” feature provides a superb solution for the demanding requirements of Homeland Security in the USA and other countries. This ruggedized handheld radiation detection system is designed specifically for first responders’ and military applications.