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HP920 GNSS Receiver – Dual Antenna RTK Positioning and Heading System
High-Precision GNSS Positioning for Professional Applications
The HP920 GNSS Receiver is a high-precision positioning and orientation system designed for applications where reliability and accuracy are critical. It combines dual-antenna GNSS technology, inertial navigation (INS), and multi-network communication in a single integrated device.
The system supports GPS, BeiDou, GLONASS, Galileo, and QZSS, ensuring stable positioning performance across different regions and operating environments.
HP920 is widely used in marine navigation, construction machinery control, and precision agriculture systems, where continuous and accurate positioning is required.
Why Choose the HP920 GNSS Receiver
Accurate Heading Without Movement
The dual-antenna design allows the receiver to determine heading without relying on movement. This is essential for marine vessels and stationary platforms.
Heading accuracy: <0.3° RMS
Initialization time: <5 seconds
Reliability: >99.9%
Stable RTK Positioning Performance
The HP920 supports RTK positioning via NTRIP or radio correction services, delivering centimeter-level accuracy.
RTK accuracy (horizontal): ±(8 + 1×10⁻⁶ × D) mm
RTK accuracy (vertical): ±(15 + 1×10⁻⁶ × D) mm
Update rate: up to 20 Hz
Multi-Constellation GNSS Tracking
The receiver tracks all major GNSS constellations simultaneously:
GPS
BeiDou
GLONASS
Galileo
QZSS
This improves positioning reliability, especially in environments with partial signal obstruction.
Built-in INS for Continuous Operation
The integrated 6-axis inertial navigation system helps maintain positioning and orientation when GNSS signals are temporarily unavailable.
This is particularly useful in:
Urban environments
Marine structures
Areas with signal interference
Flexible Communication Options
HP920 supports multiple communication methods:
Built-in 4G module
Radio communication
NTRIP protocol
eSIM support for CORS networks
These features enable real-time RTK correction access worldwide.
Technical Specifications
GNSS Signal Tracking
Constellation
Signals
BeiDou
B1I / B2I / B3I / B1C / B2b
GPS
L1C/A / L2P(Y) / L2C / L5
Galileo
E1 / E5a / E5b / E6
GLONASS
G1 / G2
QZSS
L1C/A / L2 / L5
Positioning Performance
Item
Specification
Single Point
1.5 m (H) / 2.5 m (V)
RTK (Horizontal)
±(8 + 1×10⁻⁶ × D) mm
RTK (Vertical)
±(15 + 1×10⁻⁶ × D) mm
Heading Accuracy
<0.3° RMS
Speed Accuracy
0.03 m/s
System Performance
Item
Specification
Cold start
<30 seconds
Initialization time
<5 seconds
Initialization reliability
>99.9%
Data update rate
up to 20 Hz
Electrical & Environmental
Item
Specification
Power consumption
≤4 W
Voltage
9–36 V DC
Operating temperature
-45°C to +75°C
Protection level
IP67
Interfaces & Data Output
Item
Specification
RS232
×2
RS422
×1
USB
(optional)
Output formats
NMEA-0183, Binary, RTCM 3.X
Protocols
TCP / NTRIP
Applications
Marine Navigation
HP920 provides stable positioning and heading for:
Navigation systems
Hydrographic survey vessels
Autonomous surface vehicles
Marine monitoring platforms
Construction and Engineering Machinery
The receiver supports machine control and positioning for:
Excavators
Bulldozers
Road construction equipment
Mining machinery
Precision Agriculture
HP920 enables accurate field operations such as:
Tractor auto-steering
Precision planting
Smart farming systems
Easy Integration with Existing Systems
The HP920 is designed for seamless integration into professional systems.
It supports:
Standard NMEA output
RTCM correction data
Multiple communication interfaces
This ensures compatibility with most navigation software, machine control systems, and automation platforms.
Built for Long-Term Reliability
The HP920 is designed for continuous operation in harsh environments.
IP67 waterproof and dustproof
Wide temperature range
Industrial-grade components
Low power consumption
These features make it suitable for both marine and industrial applications.
Download Center
HP920 Datasheet
User Manual
Interface Protocol
Firmware Updates
FAQ
What is the main advantage of a dual-antenna GNSS receiver?
It allows accurate heading determination without requiring movement, which is critical for marine and stationary applications.
Does HP920 support RTK positioning?
Yes, the receiver supports RTK positioning via NTRIP or radio correction services.
What industries is the HP920 suitable for?
Marine navigation, construction machinery, and precision agriculture.
Can the receiver work without a base station?
Yes, it supports PPP positioning, though RTK provides higher accuracy.
Is the HP920 suitable for harsh environments?
Yes, it is IP67 rated and supports operation from -45°C to +75°C.
Contact and Technical Support
For product details, integration support, or distributor inquiries, please contact our technical team.
