Sokkia GCX3 GNSS Receiver

Overview

The Sokkia GCX3  GNSS Receiver is a compact, lightweight, and field-ready GNSS solution designed for RTK, network rover, base/rover, and static applications. Built for crews who need accurate positioning without a complicated setup, the GCX3 delivers professional GNSS performance in a small, cable-free receiver that is easy to carry, mount, and operate.

With 226-channel tracking and support for major satellite constellations including GPS, GLONASS, Galileo, BeiDou, SBAS, and QZSS, the GCX3 provides reliable positioning for everyday survey and construction workflows. Its dual-frequency capability, integrated POST2™ antenna technology, and rugged IP67 design make it a dependable choice for users who need accuracy, portability, and simplicity in the field.

Built for RTK, Static, and Network Rover Workflows

The GCX3 is designed to adapt to a wide range of GNSS applications. It can be used as a network RTK rover, a static receiver, an RTK base, or an RTK rover, depending on the job requirements.

Ideal for:

• GNSS and RTK surveying
• Construction layout and staking
• Boundary and land surveying
• Static observations
• GIS mapping
• Control point work
• Network RTK rover workflows

Its lightweight, pole-top design helps reduce cable clutter and makes field setup faster, cleaner, and easier for survey crews.

Key Features

• 226-channel GNSS tracking
• Supports GPS, GLONASS, Galileo, BeiDou, QZSS, and SBAS
• Dual-frequency RTK performance
• RTK accuracy of 10 mm + 0.8 ppm horizontal
• RTK accuracy of 15 mm + 1.0 ppm vertical
• Integrated POST2™ antenna technology
• Wireless long-range Bluetooth communication
• Up to 300 m Bluetooth range
• Supports up to 3 concurrent rover connections
• 8 GB internal memory
• Up to 10 hours of battery runtime
• Compact 440 g design including batteries
• IP67 dustproof and waterproof protection
• Open architecture for flexible software and controller compatibility

Wireless RTK Without External Radios

One of the biggest advantages of the Sokkia GCX3 is its wireless Bluetooth-based RTK communication. For short-range base and rover work, the GCX3 can transmit corrections through long-range Bluetooth without requiring external radios, radio antennas, or additional cables.

This makes it a strong option for crews who want a simple and portable GNSS setup for smaller jobsites, layout work, or localized survey projects.

Compact, Rugged, and Easy to Use

The GCX3 weighs only 440 g including batteries, making it one of the easiest GNSS receivers to carry and operate. Its cable-free pole-top setup keeps the rover clean and lightweight, while the IP67-rated housing protects the receiver against dust and water during daily field use.

For surveyors who value fast setup and minimal equipment, the GCX3 provides a practical balance of performance and simplicity.

Software and Controller Compatibility

The Sokkia GCX3 is built with open architecture, allowing it to work with a wide range of compatible data collectors and field software. This flexibility makes it easier to integrate into existing survey workflows without forcing crews into one specific controller setup.

It is commonly used with Sokkia and Topcon field software, as well as compatible third-party survey software that supports GNSS receiver communication.

Kit Contents

In the Box

• 1 × GCX3 Receiver Assembly (p/n: 01-120650-11)
• 1 × AC/DC Desktop Adapter, GCX2 US (p/n: 1005518-01)
• 1 × International Adapter Wall Folding Clip Kit (p/n: 1005519-01)
• 1 × Low Drop USB A to USB Micro-B Cable, 1.5 m (p/n: 1013602-01)
• 1 × GCX3 Standard OAF (p/n: 1017114-00)
• 1 × GCX3 Complete Box with Foam (p/n: 1017283-01)
• 1 × GCX3 Box Label (p/n: 1017284-01)
• 1 × GCX3 Quick Reference Card (p/n: 1016294-01)
• 1 × myTopcon Registration Card, English (p/n: 1022905-01)

Soft Case Option

Includes everything in the standard “In the Box” configuration, with the addition of:

• 1 × Soft GSX2 Grey Case (p/n: 20-830301-01)

Fusion Search Option

The Fusion Search configuration includes:

• 1 × Hybrid Positioning Adapter (p/n: 1003241-01)
• 1 × GCX3 Kit with Soft Case (p/n: 1017274-01)
• 1 × TopNET Live Subscription, North America, 100 Hour GEO/MC (p/n: 1001714-06)

Reliable GNSS Performance in a Simple Package

The Sokkia GCX3 GNSS Receiver is a strong choice for surveyors and construction professionals who need a compact, accurate, and easy-to-use GNSS receiver. Whether used as a network rover, static receiver, or short-range base/rover setup, the GCX3 delivers dependable performance without unnecessary complexity.

For crews looking for a lightweight GNSS solution with professional accuracy, flexible operation modes, and simple wireless workflows, the GCX3 remains a practical and cost-effective option.