Designed primarily as an all-in-one handheld GNSS network rover receiver,Topcon's GRS-1 (Geodetic Ro

Designed primarily as an all-in-one handheld GNSS network rover receiver,Topcon's GRS-1 (Geodetic Rover System) has a SD memory card slot and wireless technology.

The new GRS-1 dual-frequency, dual-constellation, network-enabled RTK rover system from Topcon features an internal GSM modem, high-speed processor, built-in camera, compass and bar code reader.

Designed primarily as an all-in-one handheld GNSS network rover receiver, the GRS-1 (Geodetic Rover System) has a SD memory card slot and wireless connectivity via Wi-Fi, Bluetooth or optional UHF radio pack.

According to Ian Stilgoe, product marketing and support manager, the GRS-1 "packs all the power of a full GPS + GLONASS dual-frequency receiver, cellular modem and Windows PC into a very small and versatile device for all applications."

The GRS-1 uses the Windows Mobile operating system to run many applications including TopSURV, Topcon's engineering and surveying software and Topcon's GIS extensions for ESRI's ArcPAD.

In addition to the network rover configuration, the GRS-1 also has an optional RH-1 radio module to work with existing Topcon GNSS base station receivers already in the market today. This allows the GRS-1 to work in all areas and sites, even if GSM coverage is not available.

Mr Stilgoe said the user can access a GNSS network for decimetre level positioning. He added the GRS-1 can be wirelessly connected to the Topcon BR-1 Beacon for correction service where no network is present or by attaching an easy-to-connect external antenna, centimetre accuracy is instantly achieved.

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