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Topcon GR-5 Base and Rover RTK

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Product Description

Topcon GR-5 Base & Rover RTK w/ Tesla Tablet Data Collector


Topcon’s GR-5 is ruggedized, high-accuracy, state-of-the-art GNSS technology for the most demanding Construction, Surveying and Civil Engineering jobs. It features Topcon’s exclusive Vanguard Universal Channel Tracking, the multi-constellation 226-channel dynamic tracking solution that provides automatic selection and tracking of any available satellite signal. And to top it off, the GR-5 features Topcon’s patented Fence Antenna technology for superior signal reception and the most advanced multi-path rejection available. All of this results in more robust and clean signal tracking for unparalleled results. And best of all Topcon’s GR-5 won’t become outdated when constellations come online including Galileo, Beidou (BDS) and QZSS.
With Vanguard Technology, Universal Tracking Channel and the Fence Antenna, the GR-5 is designed to deliver ultimate field performance even in challenging environments while maintaining unmatched accuracy, speed of initialization and fix reliability for RTK solutions
The Topcon GR-5 represents the next generation in GNSS receiver technology
Topcon is proud to be the world leader in advanced satellite positioning technology. As the original pioneer of dual-constellation with GPS and GLONASS constellation integration, Topcon continues to lead all other manufacturers with the most sophisticated receiver technology and design.
GNSS Satellite Tracking Optimization with Vanguard™ Technology
The GR-5 features the multi-constellation 226-Channel Vanguard GNSS chip with Universal Tracking Channel Technology. This patented technology uses flexible and dynamic tracking methods to automatically select and track any available satellite signal enabling Topcon’s users to receive the maximum number of signals and measurements at any given time.
The GR-5 is not only capable of receiving signals from fully operational GPS and GLONASS constellations, but also has ability to support all planned signals from developing systems like Galileo, Beidou (BDS) and QZSS. With current and developing satellite constellations, Universal Tracking Channel Technology optimizes GNSS signal tracking to guarantee maximum satellite geometry and availability.
Enhanced Sensitivity with Patented Fence Antenna™  Technology
Topcon’s patented Fence Antenna design brings to the GR-5 superior signal reception and advanced multipath rejection in difficult environments. This technology provides to users a more robust and cleaner signal tracking which means unparalleled results.
Advanced Multipath Suppression
Not only does Topcon's Fence Antenna™ outperform other RTK receivers with enhanced sensitivity, but also provides multipath rejection characteristics that gives the GR-5 a level of tracking performance in demanding environments beyond any other RTK GNSS receiver.
Leadership Technology
In side-by-side tests with other RTK GNSS receivers the latest Topcon GR-5 with patented Fence Antenna™ Technology outperformed the competition in tracking behavior and overall RTK performance, and continues to lead the industry RTK radio range.
With Vanguard Technology™, Universal Tracking Channel and Fence Antenna™, the GR-5 is designed to deliver ultimate filed performance even in challenging environments while maintaining unmatched accuracy, speed of initialization and fix reliability for RTK solution.
In addition to advanced technologies, the mechanical design of the GR-5 makes it incredibly reliable, ergonomic, and durable. Guaranteed rugged, the GR-5 is the best GNSS receiver available in the market. It all sums up to... More Performance. More Accuracy. More Productivity
  • 226-Channel Vanguard Technology™ with Universal Tracking Channels
  • Advanced Fence Antenna™ Technology
  • High accuracy RTK with updates up to 100Hz
  • Fully integrated radio and cellular configuration
  • 32GB SDHC storage support
  • Dual hot-swappable batteries providing a full day of operation
Topcon GR-5 Specifications :
Signals Tracked GPS, GLONASS, QZSS, SBAS, Galileo* and Beidou (BDS)*
Number of Channels 226-Channel Vanguard Technology with Universal Tracking Channels
Antenna Type Integrated Fence Antenna with Ground Plane
H: 10mm + 1.0ppm
V: 15mm + 1.0ppm
H: 3mm + 0.5ppm
V: 5mm + 0.5ppm
Radio Type
450-470mhz Integrated UHF TX/RX,
Base Radio Output
1.0W, user selectable
Cellular Communications
Integrated HSPA or CDMA (optional)
I/O Communications
Class 2 Bluetooth, USB and Serial
Data and Memory
Memory  Removable SD/SDHC Memory Card (up to 32GB)
Data Update/Output Rate 1Hz – 100Hz Selectable
Real Time Data Output TPS, RTCM SC104, CMR, CMR+
ASCII Output NMEA 0183 version 2.x and 3.0
Environmental Enclosure
Magnesium I-Beam Housing
Operating Temperature -22ºF to +158ºF (-30ºC to +70°C**)
Dust/Water Protection IP66
Shock Rating  2m pole drop to concrete IEC 60068-2-29, IEC 60068-2-27
Vibration Rating Compliance with MIL-STD                                   810F - 514.5 - Cat.24


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