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Trimble Geo-XT Handheld GPS – Pine Environmental
Monsen Engineering LLC - The Trimble TDC650 is the ultimate high-performance GNSS handheld receiver for GIS professionals and surveyors. It's slim, rugged, and easy to use, and it delivers maximum positioning accuracy
HydroLite
Trimble Geo 7X Handheld GNSS System - geomaticslandsurveying.com