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Product Name:GRX2
Product Description:The GRX2 fully integrated dual-constellation RTK GNSS receiver brings a new level of versatility and flexibility into your precision applications. It is affordable and scalable with wireless technologies ideal for RTK operation, as a network rover, or as a static receiver.
Year of initial introduction :2013
Height [m]:0.095
Depth [m]:0.184
Width [m]:0.184
Total weight [kg]:1.0
Housing material:Magnesium Alloy
Operating power: min. [V]:6.7
Operating power: max. [V]:18
Typical consumption [W]:4
Internal power supply:Detachable, Li-ion rechargeable battery, 7.2V, 4.3
External power supply:
Operating time with internal power supply [hr]:7.5
Certifications:FCC; CE; IC; C-Ctick; KCC; TELEC
Rechargeable with (auto)battery :
Direct car connection cable available :
Operating temperature: min. [°C]:-40
Operating temperature: max. [°C]:65
Humidity resistance:100% Condensing
Water sand and dust proof:IP67 (IEC 60529:2001);
Shock and vibration proof:2m Pole Drop
ROHS compliance:
WEEE compliance:Y
No. channels:226
Max. simultaneous tracked channels:226
Tracked satellite signals:GPS: L1/L2 GLONASS: L1/L2 GALILEO: E1
SBAS differential signals:WAAS, EGNOS, MSAS, QZSS
Type of measurements:Carrier, Code
Reacqisition time [s]:1
RTK Network Compatibility:Y
MRS functionality:
Horizontal uncertainty 
code: DGNSS/RTC (constant part) [m]:0.5
code: DGNSS/RTC (variable part) [ppm]:
phase: RTK rapid static (constant part) [m]:
phase: RTK rapid static (variable part) [ppm]:
phase: RTK kinematic (constant part) [m]:0.01
phase: RTK kinematic (variable part) [ppm]:1
phase: static post processing (constant part) [m]:0.003
phase: static post processing (variable part) [ppm]:0.5
phase: kinematic post processing (constant part) [m]:0.01
phase: kinematic post processing (variable part) [ppm]:1
Initialization time on the fly [s]:
Range on the fly [km]:
RTK network solution methods:VRS; FKP; RTCM3
Memory medium :SD/SDHC card
Data capacity [MB]:
Type of data (on board recording):TPS Format
Data input :
Communication: general 
Communication ports:RS-232C
Simultaneous links:
PPS Out:
Bluetooth :Y
Communication: links 
Radio modems :UHF (Tx/Rx)
GSM; UMTS phone modems:Internal GSM/GPRS
CDMA phone modems:Internal CDMA (US only)
Landline modems:
Communication: Protocols 
RTCM standards for differential data:version 2.1; 2.2; 2.3; 3.0; 3.1
CMR standards for differential data:CMR
Other formats for differential data:TPS
NMEA output format:version 2.1; 2.2; 2.3; 3.0
other output formats:
L-Band Compatible:
Configuration method :
More information 
Distinguishable features :Multi-lingual voice navigation

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Supplier Information
  • Sokkia B.V.

  • Essenbaan 11
  • 2908 LJ Capelle aan den IJssel
  • Europe, Russia and Sub-Saharan Africa
  • Netherlands



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