Topcon Positioning Systems

GRS-1 RTK Rover System

The GRS-1 fully integrated dual-constellation, network-enabled RTK rover system is an all-in-one hand-held GNSS receiver and field controller with high-speed processor, increased memory, built-in camera, compass and bar code reading function. It also features a 3.7-in. touch screen display, SD memory card slot, optional internal GSM or CDMA modem and wireless connectivity via Wi-Fi and Bluetooth technology. The receiver offers DGPS capability with an internal L1 antenna for GIS and navigation. Add the PGA-1 external antenna and connect to the local GNSS network to move to dual frequency, dual constellation GNSS centimeter RTK accuracy. The Windows Mobile 6.1 operating system is used to run the TopSURV surveying software.

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