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David30 GNSS Receiver
Full-Constellation High Precision GNSS Receiver
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The Tersus David30 is a multi-constellation high precision GNSS receiver which offers centimeter-accurate positioning. It is designed for intelligent transportation, construction, machine control, precision agriculture, and navigation applications.
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The David30 GNSS receiver is built for outdoor environments with IP67-rated enclosure. The compact palm size makes it easy to integrate with various application systems.


Features
Specifications
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Supports multi-constellation including BeiDou, GPS, GLONASS, Galileo, and QZSS
Supports 576 channels
Supports RTCM2.x/3.x, CMR/CMR+ corrections
Flexible for integration in different applications
Data update rate up to 20Hz
Input power range is 5~36V DC
IP67-rated dust- & waterproof enclosure, for reliability in harsh environmental conditions
Supports Nuwa surveying software
In-built 8GB storage benefits data collection
Performance
+
Signal Tracking
GPS L1 C/A, L2C, L2P, L5; GLONASS L1 C/A, L2 C/A;
BeiDou B1I, B2I, B2a, B3I; Galileo E1, E5a, E5b;
QZSS L1 C/A, L2C, L5
GNSS Channels
576
Single Point Positioning Accuracy (RMS)
Horizontal
1.5m
Vertical
3.0m
Real Time Kinematic/RTK (RMS)
Horizontal
8mm+1ppm
Vertical
15mm+1ppm
DGPS (RMS)
Horizontal
0.4m
Vertical
0.8m
Observation Accuracy (zenith direction)
C/A Code
10cm
P Code
10cm
Carrier Phase
1mm
Time To First Fix (TTFF)
Cold Start
<50s
Warm Start
<30s
Reacquisition
<2s
Timing Accuracy (RMS)
20ns
Velocity Accuracy (RMS)
0.03m/s
Initialization (typical)
<10s
Initialization Reliability
>99.9%
Correction
RTCM 2.x/3.x, CMR/CMR+
Data format
NMEA-0183 and Tersus Binary format
Max. Data Update Rate
20Hz
Storage
In-built 8GB
Electrical
+
Input Voltage
5V~36V DC
Power Consumption (at 25℃ )
3.6W
Environmental
+
Operating temperature
-40℃ ~ +85℃
Storage temperature
-40℃ ~ +85℃
Humidity
95% non-condensing
Dust- & Waterproof
IP67
Communication
+
Serial Ports
RS232 x2
Serial Baud Rate
Up to 921600bps
USB Ports
USB 2.0 OTG x1
CAN Ports
CAN x1
PPS Ports
LVTTL x1
Event Ports
LVTTL x2
Antenna Connector
TNC female x1
Physical
+
Physical Dimension
124x79.5x37mm
Weight
≈ 360g
Software Support
+
Tersus Nuwa
Other Third Party Software Support NMEA-0183
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