GNSS RTK Network Receiver
Topcon’s new GRS-1 is the world’s first fully integrated dual constellation network enabled RTK rover system. It is an all-inone handheld GNSS receiver and field controller with high-speed processor, increased memory, built-in camera, compass and bar code reading function.
Also integrated into the new system are SD memory card slot, internal GSM modem, and wireless connectivity via WiFi and Bluetooth® technology.
The GRS-1 (Geodetic Rover System) was designed with two primary system design goals: Smaller size and weight, and lower-than expected cost. The new receiver has DGPS capability with internal L1 antenna for use in GIS and Navigation, add the PGA-1 external antenna and connect to your local GNSS network via the internal modem, for dual frequency, dual constellation GNSS centimeter RTK accuracy! The GRS-1 can even be used as a static post processed receiver system.
GRS-1 Features
GPS+GLONASS L1/L2
Internal GSM-Modem
2.0 megapixel camera with autofocus
Bluetooth, Wi-Fi, 1Gb internal memory expandable by SD card
Internal Magnetic Compass
Windows Mobile 6
Software: ArcPad/eTop, TopSURV...
Ultra sharp color TFT touch screen
RH-1 Radio Pack
Add the optional RH-1 Radio pack to expand the use of the GRS-1 to work with existing RTK Base radio systems where network corrections are either not available or not required. The addition of the RH-1 with it’s two extra batteries also extends the working time of the GRS-1.
Accessories
Li-ion battery
robust carrier bag
battery recharger
Software CD
USB cable
Operator's Manual
The BR-1 is the companion to the popular GRS-1 mapping/imaging device from Topcon. The BR-1 is designed to relay Coast Guard Beacon corrections wirelessly to the GMS-2 receiver for increased accuracy. Running on common rechargeable batteries to the GMS-2 the BR-1 will provide added flexibility and accuracy to the GMS-2 mapping system.

