• GNSS (GPS + Glonass) 72 channel RTK Satellite Receiver
  • GSM and CDMA Internal Cellular
  • 806MHz XScale Processor
  • Windows Mobile® 6.1 Operating System
  • 2.0 megapixel Camera
  • 256MB SDRAM, 1GB Flash
  • Internal Magnetic Compass
  • Built-in Bluetooth® wireless technology and Wireless LAN connectivity

Built-in 2.0 Megapixel Camera

That’s right, the GRS-1 comes with a 2.0 megapixel camera with autofocus for taking pictures. Store photos on-board with the 1GB of Flash memory or use the external SD card slot for additional memory.

Internal Magnetic Compass

Utilizing compass bearing with GNSS positioning, the magnetic compass allows for additional measurements to be taken from a single location.

Extra Memory

With 1GB Flash standard, the GRS-1 is loaded with memory. But if you need more, the SD card slot and the mini USB Host functionality can provide additional memory. Use the USB mini port as both a Host and Client. This functionality allows for expanded memory and easy file transfer through USB flash drives or SD memory card.

Expansion Connector

Weather proof expansion port allows for the addition of the RH-1 unit. The RH-1 will allow the GRS-1 to communicate with radio based base stations for RTK operation. It is compatible with all previous radio types that are currently in use with Topcon GNSS systems.
This includes Digital UHF, Spread spectrum, and FCS enabled UHF radios from all previous Topcon systems.

Bluetooth® and Wireless LAN

Built-in Bluetooth wireless technology and Wireless LAN connectivity come standard. No need for expensive upgrades or CF cards. Use your device in a typical Hotspot to surf the web, check weather or e-mail files back to the office. When not in use, Topcon also provides a way to turn Bluetooth and Wireless LAN off to conserve battery power.

TopSURV Onboard

  • Large Graphical User Interface (GUI)
  • Intuitive User Interface
  • Graphical Stakeout
  • Map View Data Collection
  • Fast Job Management and Storage
  • Integrated Camera Function

Post-Processing Office Software

Topcon Tools provides a powerful post-processing, network analysis and adjustment solution with an intuitive operator interface that’s easy to learn and use. Sort data by a variety of field such as point name, antenna height, vector length, and RMS values.

Survey Master is a powerful CAD solution from Topcon! Improve the efficiency of your data management. Draft TopSURV 7 field data into a finished product from SurveyMaster software.

GRS-1 Specifications

Number of Channels 72 GPS + Glonass L1/L2 tracking
DGPS Accuracy <1m* HRMS
L1, L2 Static H: RMS 3mm + 0.8ppm
V: RMS 4mm + 1.0ppm
Real time RTK Accuracy H: 10mm + 1.0ppm
V: 15mm + 1.0ppm
CORS Beacon Yes with BR-1
Onboard Software TopSURV
Office Software (post processing) Topcon Tools™, SurveyMaster
Microprocessor XScale PXA320
Processor Speed 806MHz
Operating System Windows Mobile®6.1
Memory 256MB SDRAM1GB Flash
Data Update Rate Up to 100Hz
  USB Mini Port
  Card Slot SD
Cellular Capability Internal GSM or CDMA
Input/Output Bluetooth®, USB, Serial, ANT, and Power
Wireless LAN Connectivity Standard (Internal, 802.11.b)
Display 3.7″ VGA LCD
Built-in Camera 2.0 Megapixel
Keyboard 3 Key plus Virtual Keyboard
Magnetic Compass Internal, 4 degree accuracy
Expansion Connector Weatherproof Communication Port
Battery Life 5 hrs while in GPS static mode
Battery Type 2500mAh Removable, Li-Ion Rechargeable
Dimensions 7.76″ x 3.54″ x 1.81″ (197 x 90 x 46mm)
Weight 1.5 lbs (0.7kg)
Environmental IP66, 1 meter drop-20° to
50℃ Operating Temperature-10° to
50℃ Operating with camera-30° to
60℃ Storage Temperature

* <50cm with external antenna

Call / Whatsapp Us

H/P :
+6012-695 9998 (Mr.Yap)
+6012-225 6988 (Mr.Jackson)

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