mmGPS Grader

Where GPS flexibility meets laser accuracy


Laser Zone – A unique coded laser creates a grade control zone with all the advantages of satellite positioning technology, along with the accuracy of a laser. You get enhanced accuracies with the superior performance and usability of Topcon standard machine control.

Your GNSS survey rovers can also use the Laser Zone? for all site survey work, and receive the same precision.

GPS + GLONASS coverage
Millimeter level accuracy
2400 meter horizontal working range
40 meter vertical working range
Multiple users in the same zone


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