Description

Topcon GNR5: The Gold Standard and GNSS Receiver Price in Bangladesh

As Bangladesh accelerates its digital mapping and mega-infrastructure projects, the demand for permanent positioning infrastructure has never been higher. At the heart of a reliable Continuously Operating Reference Station (CORS) network lies the Topcon GNR5 GNSS Reference Receiver. If you are an engineering firm, government agency, or a private surveyor looking for a high-tier GNSS receiver price that justifies its value through performance and longevity, the GNR5 is the definitive choice.

What is the Topcon GNR5 GNSS Reference Receiver?

The GNR5 is not a standard field rover; it is a professional-grade reference station receiver designed to act as the “brain” of a survey network. Built with Topcon’s legendary Vanguard technology, it features 452 universal tracking channels capable of receiving signals from every available satellite constellation, including GPS, GLONASS, Galileo, BeiDou, and QZSS. In the context of Bangladesh’s dense urban environments and remote rural terrains, this multi-constellation support ensures that the receiver maintains a “Fixed” position with millimeter-level precision.

Key Features for the Bangladesh Market

For local projects—ranging from the Padma Bridge Rail Link to urban planning in Dhaka—the GNR5 offers features that smaller receivers simply cannot match:

• Superior Signal Tracking: High-precision code and carrier phase measurements up to 100 Hz.

• Extensive Connectivity: Integrated Ethernet, Wi-Fi, and Bluetooth, along with built-in web-server functionality for remote management.

• Ruggedized Reliability: An IP67-rated housing that can withstand the intense tropical monsoon rains and 100% condensing humidity found in Bangladesh.

• Massive Data Storage: Supports up to 32GB SDHC storage, ensuring months of raw data can be logged without interruption.

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Understanding the GNSS Receiver Price in Bangladesh

When researching the GNSS receiver price, it is important to distinguish between a mobile RTK rover and a reference station like the GNR5. Reference receivers are built for 24/7 operation and high-speed data processing, which is reflected in their market positioning.

Factors that Influence the Price:

1. Antenna Configuration: The GNR5 is typically paired with a high-performance geodetic antenna (like the CR-G5 choke ring antenna). The choice of antenna significantly impacts the final kit price.

2. Network Setup: If you are setting up a CORS station, the price will include specialized mounting hardware, lightning protection, and stable power solutions.

3. Import & Currency: As a high-precision Japanese instrument, the price in Bangladesh is subject to current USD exchange rates and import duties.

4. Local Support: Buying through authorized official distributors like Survey Instrument BD ensures you get a 2-year warranty and local calibration services, which are critical for such sensitive equipment.

• Estimated Price Range (2026): For a professional-grade reference station setup like the Topcon GNR5, prices typically start from BDT 12,00,000 to BDT 18,00,000, depending on the antenna and installation services required.

The Role of GNR5 in Modern Surveying

The GNR5 is the backbone of the “Network RTK” system. By installing a GNR5 as a permanent base station, you can provide correction signals to hundreds of rovers across a 50km to 70km radius. For large-scale contractors in Bangladesh, this eliminates the need to set up a tripod-based base station for every single job site, drastically reducing labor costs and increasing safety.

Durability: Built for 24/7 Operation

Construction sites and base station locations in Bangladesh can be harsh. The GNR5 is designed to operate in temperatures ranging from -40°C to +80°C. Whether it is the scorching heat of Rajshahi or the saline air of Chittagong, the GNR5’s internal components are protected against corrosion and thermal stress, ensuring your reference network stays online when it matters most.

Why Invest in Topcon GNR5?

Choosing the right GNSS receiver price is about long-term ROI. Cheaper alternatives often suffer from signal “drift” or internal hardware failure after a few seasons of heavy use. The Topcon GNR5 offers “Future-Ready” technology. As new satellites are launched by Galileo or BeiDou, the GNR5 is already equipped to track them, meaning your investment won’t become obsolete in three years.

Final Verdict

The Topcon GNR5 GNSS Reference Receiver is a high-performance asset for any organization serious about precision and infrastructure. While the initial cost may be higher than that of mobile units, its role as a stable, reliable, and high-precision reference makes it the most cost-effective choice for long-term projects in Bangladesh.

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GNR5 Technical Specifications Table

Feature	Specification
Number of Channels	452-Channel Universal Tracking
Signals Tracked	GPS, GLONASS, BeiDou, Galileo, QZSS, SBAS
Static Accuracy	H: 3.0mm + 0.1ppm / V: 3.5mm + 0.4ppm
Update Rate	Up to 100 Hz
Memory	Removable SD/SDHC up to 32GB
Communication	Ethernet, Wi-Fi, Bluetooth, USB, Serial
Water/Dust Protection	IP67