The Trimble SPS855 GNSS Receiver (900MHz – Full Option) is a high-performance, construction-grade positioning system engineered for professionals who demand dependable accuracy, rugged reliability, and flexible deployment in the field.
Designed for surveying, site positioning, construction layout, and machine control applications, this modular GNSS receiver delivers powerful multi-constellation tracking, integrated UHF radio communication, and scalable configuration as a base station or rover.
This unit is New & Original, fully enabled for GPS, GLONASS, Galileo, and BeiDou, and equipped with an internal 900MHz radio (Transmit) supporting both Base and Rover modes. The serial number is clean, and the system includes a 3-month warranty, ensuring peace of mind and operational security for your investment.
Whether you are expanding your RTK network, upgrading your existing survey equipment, or deploying a dedicated construction GNSS base station, the SPS855 provides proven Trimble positioning technology optimized for demanding jobsite environments.
High-Precision GNSS Performance for Construction & Surveying
The Trimble SPS855 is built on advanced GNSS positioning architecture that supports multi-frequency, multi-constellation satellite tracking. By utilizing signals from:
- GPS
- GLONASS
- Galileo
- BeiDou
The receiver maximizes satellite availability, improves signal geometry, and enhances RTK fixed solution reliability in challenging environments such as urban corridors, partially obstructed sites, and infrastructure projects.
Why Multi-Constellation Matters
Modern survey-grade GNSS receivers must operate in real-world environments where signal interruptions, multipath interference, and obstructions are common. By tracking multiple global navigation satellite systems, the SPS855:
- Achieves faster RTK initialization
- Maintains stronger satellite lock
- Improves positional redundancy
- Delivers stable centimeter-level accuracy
- Reduces downtime due to signal loss
This makes it ideal for contractors, surveyors, and site engineers who cannot afford workflow interruptions.
900MHz Internal Radio Fully Enabled for Base & Rover
One of the defining features of this configuration is the integrated 900MHz UHF radio (Transmit enabled). Unlike limited or receive-only variants, this Full Option SPS855 supports both:
- RTK Base Station Mode
- RTK Rover Mode
Benefits of the 900MHz Internal Radio
- Eliminates the need for an external radio module
- Simplifies field setup and cabling
- Reduces equipment bulk
- Enhances portability
- Supports long-range UHF RTK correction transmission
- Optimized for construction jobsite communication
The 900MHz band is widely used in construction GNSS workflows due to its reliable signal propagation and compatibility with industry-standard machine control systems.
For contractors operating grading machines, dozers, excavators, and layout crews, this integrated radio provides dependable correction transmission across the site.
Modular GNSS Receiver Architecture
The Trimble SPS855 is a modular GNSS receiver, meaning it can function as:
- A dedicated base station
- A rover receiver
- A combined base/rover unit
- A network reference station
- A site positioning system component
This flexibility protects your investment and allows scaling as project demands grow.
Instead of purchasing separate fixed-function receivers, you deploy a single professional GNSS solution adaptable to multiple workflows.
Designed for Construction & Machine Control Applications
Unlike entry-level GPS receivers, the SPS855 is engineered specifically for construction environments. It integrates seamlessly with:
- Construction layout systems
- Machine control platforms
- Site positioning software
- RTK correction networks
- VRS network infrastructure
- Precision grading workflows
Ideal Applications
- Site leveling & grading
- Road construction
- Earthworks
- Foundation layout
- Utility installation
- Infrastructure projects
- Topographic surveying
- Construction staking
- Heavy civil engineering
Its high-accuracy RTK capability ensures consistent positioning for both layout crews and automated machinery.
Full Option Configuration: What It Means
This SPS855 configuration includes:
- Multi-constellation GNSS tracking (GPS, GLONASS, Galileo, BeiDou)
- Internal 900MHz UHF radio (Transmit enabled)
- Base and Rover operational capability
- Clean serial number
- New & original condition
- 3-month warranty coverage
“Full Option” indicates the receiver is not software-restricted or locked to minimal satellite tracking. It is designed to deliver full GNSS performance without artificial limitations.
Rugged Construction & Field Durability
Construction environments demand equipment that can withstand:
- Dust exposure
- Mud
- Heavy vibration
- Temperature fluctuations
- Moisture
- Physical impact
The SPS855 is built for harsh jobsite conditions with a durable housing that protects internal components and ensures operational stability in extreme environments.
Field-Ready Design Features
- Integrated display & keypad for configuration
- Durable casing
- Weather-resistant construction
- Secure antenna connectivity
- Stable mounting options
- Efficient power management
The receiver is engineered for continuous outdoor operation, reducing failure risk during critical project phases.
RTK Accuracy & Real-Time Performance
Real-Time Kinematic (RTK) positioning enables centimeter-level accuracy by correcting satellite errors using base station data.
The SPS855 provides:
- Rapid RTK fix acquisition
- Stable correction transmission via 900MHz
- Reliable long-range communication
- Consistent vertical and horizontal precision
- Reduced re-initialization time
This level of accuracy is essential for:
- Machine control automation
- Structural layout
- Utility mapping
- Survey-grade measurements
- High-precision earthmoving
Optimized for Workflow Efficiency
Time is money in construction. The SPS855 GNSS Receiver improves operational efficiency by:
- Reducing setup complexity
- Supporting fast satellite acquisition
- Minimizing communication latency
- Delivering consistent RTK performance
- Integrating seamlessly into Trimble site solutions
Faster initialization and stable positioning mean crews spend less time troubleshooting and more time completing tasks.
Clean Serial Number & Warranty Protection
This unit is supplied with:
- Clean Serial Number (SN clean)
- 3 Months Warranty
- New & Original condition
Serial number integrity ensures:
- No ownership conflicts
- No activation restrictions
- No subscription issues
- No licensing complications
Warranty coverage provides additional protection and confidence in your purchase.
Why Choose the Trimble SPS855 GNSS Receiver 900MHz?
Professionals choose this GNSS receiver because it offers:
- Industry-proven Trimble positioning technology
- Multi-constellation satellite tracking
- Internal 900MHz RTK radio
- Base & rover flexibility
- Construction-grade durability
- Scalable deployment
- Strong resale value
- Trusted performance in demanding environments
This is not a consumer GPS device, it is a professional positioning system built for precision work.
Technical Capability Overview
While configuration may vary based on deployment, key system capabilities include:
- Multi-frequency GNSS tracking
- Support for GPS, GLONASS, Galileo, BeiDou
- 900MHz internal UHF radio transmit
- RTK correction transmission & reception
- Modular design
- Field configuration interface
- High-precision construction positioning
- Compatible with Trimble site solutions
- Designed for professional surveying workflows
Investment Value for Contractors & Survey Firms
Purchasing a high-precision GNSS base & rover system is a strategic investment. The SPS855 delivers:
- Reduced rework costs
- Increased machine productivity
- Improved grading accuracy
- Faster project completion
- Enhanced workflow reliability
- Better operational predictability
Accurate positioning reduces material waste, shortens project timelines, and increases overall profitability.
Frequently Asked Questions
What makes the Trimble SPS855 GNSS Receiver different from basic GPS receivers?
Unlike consumer GPS units that provide meter-level accuracy, the SPS855 is a professional RTK GNSS receiver capable of centimeter-level positioning. It supports multi-constellation tracking and real-time correction transmission via 900MHz radio, making it suitable for construction and surveying applications.
Does this model support both Base and Rover modes?
Yes. This Full Option configuration includes internal 900MHz transmit capability and can function as both an RTK base station and rover receiver.
Is the 900MHz radio built-in or external?
The radio is internally integrated, eliminating the need for external UHF modules and reducing setup complexity in the field.
Which satellite systems are enabled in this unit?
This receiver supports GPS, GLONASS, Galileo, and BeiDou, ensuring maximum satellite visibility and positioning stability.
Is this receiver suitable for machine control applications?
Yes. The SPS855 is widely used in construction machine control systems for grading, excavation, and earthmoving projects requiring high-precision positioning.
What does “SN Clean” mean?
A clean serial number indicates the device has no registration conflicts, no ownership disputes, and no software licensing restrictions.
Does this receiver support RTK correction transmission?
Yes. With the integrated 900MHz transmit radio, it can broadcast RTK corrections when configured as a base station.
Is this unit new or refurbished?
This listing is for a New & Original unit.
What type of warranty is included?
A 3-month warranty is provided to ensure operational reliability and customer assurance.
Can this receiver be used in harsh outdoor environments?
Yes. It is built for rugged construction environments and designed to withstand dust, moisture, and jobsite conditions.













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