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TOPGNSS High-PrecisionSmall Size GNSS module board With simple installation, flexible operation, and easy integration and maintenance, it supports multi-constellation and quad-band GNSS signal trackin
TOPGNSS High-Precision Small Size GNSS module board With simple installation, flexible operation, and easy integration and maintenance, it supports multi-constellation and quad-band GNSS signal tracking with a full-field satellite view. The device outputs complete raw data including positioning measurements and is compatible with Galileo HAS positioning service. It delivers best-in-class RTK centimeter-level positioning accuracy, industry-leading ultra-low power consumption, and advanced GNSS+ algorithms, while being optimized for automated assembly for easy integration.
Parameter Item | Specification |
Hardware Channels | 789 channels, tracking all visible satellites simultaneously |
Supported Systems & Bands | GPS: L1C/A, L2C, L2PY, L5
GLONASS: L1CA, L2CA, L2P, L3 CDMA
BDS: B1I, B1C, B2a, B2I, B3I
Galileo: E1, E5a, E5b, E6
QZSS: L1C/A, L1C, L2C, L5 |
Positioning Modes | Single-point positioning, DGNSS differential positioning, multi-system RTK rover positioning |
Data Output | Supports full raw observation data output |
Parameter Item | Specification |
RTK Horizontal Accuracy | 0.6cm + 0.5ppm |
RTK Vertical Accuracy | 1cm + 1ppm |
RTK Initialization Time | 7 seconds |
Velocity Accuracy | 3cm/s |
Single-point Accuracy | Horizontal 1.2m / Vertical 1.9m |
DGNSS Accuracy | Horizontal 0.4m / Vertical 0.7m |
Parameter Item | Specification |
Max Position Update Rate | 20Hz |
Max Raw Data Output Rate | 20Hz |
System Latency | ＜10ms |
PPS Timing Resolution | 1.4ns |
Event Marker Accuracy | ＜3ns |
Default Output Refresh Rate | 1Hz |
Parameter Item | Specification |
Hardware Interfaces | TTL |
Protocols | NMEA0183, RTCMv3.x, Septentrio SBF |
Default Baud Rate | 115200 |
Output Level | Default TTL |
Working Voltage | Default 5V |
Parameter Item | Specification |
Power Consumption | Typical 0.44W, Max 0.57W |
Operating Temperature | -40℃ ~ +85℃ |
Storage Temperature | -55℃ ~ +85℃ |
Humidity | 5%~95% non-condensing |
Vibration Standard | IEC 60721-3-5 5M3 |