Survey Technologies, Incorporated was founded in 1991 to improve and automate the acquisition, analysis and display of signal coverage measurements across given terrain. STI provided signal surveying services to several major telecom companies in 1992 and 1993 utilising an early version of STI’s RF testing solutions. These activities provided an ideal test bench, pointing the way to further product improvements leading to the STI Field Test 7 package and the STI-9400 and STI-9450 mobile signal measurement and coverage analysis systems. Lately, STI has been collaborating with radio manufacturers, bundling test mobiles and test portables with STI Field Test 7 to create into indoor and drive test coverage and performance solutions. STI Measurement capabilities include legacy and narrowband signals, P-25 phase 1 and 2 as well as DMR digital technologies.