Product Detail


Tersus David30 Base Kit

From £2,543.66

The Tersus David is a cost-efficient, palm-sized GNSS receiver designed for surveying, UAVs, AGVs, and agricultural applications. Working with an external GNSS antenna, the free Tersus Survey App and post-processing software, the David GNSS receiver is a low-cost solution for all survey applications, including real-time RTK positioning and data collection for PPK.

A 4GB in-built memory makes it easy to record data for post processing. The compact size, IP67-rated enclosure, and external bluetooth module alleviates most of the inconveniences encountered in field work. View Product Brochure Here: David30 Brochure 0809

RTK license gives you a precise, real-time positioning method to enhance your operations and collect incredible data.

Product Description

Key Features
Supports multiple constellations & frequencies:
GPS L1, L2
BeiDou B1, B2
Supports 384 channels
Supports RTCM2.3/3.x, CMR, CMR+ corrections
Easy to connect an external powerful radio for long range communication
Flexible for integration in different applications
20Hz raw measurement output for post processing
The carrier phase accuracy down to 1mm
In-built 4GB eMMC for data recording
Input power range is 5~12V DC
IP67-rated dust- & waterproof enclosure, for reliability in harsh environmental conditions
Supports Nuwa & Field Genius surveying software


Signal Tracking For Antenna:
GPS L1, L2; GLONASS L1, L2; BeiDou B1, B2
GNSS Channels:                                                              384
Single Point Positioning Accuracy (RMS):

Horizontal:                                                                       1.5m
Vertical:                                                                            3.0m
Real Time Kinematic (RMS):

Horizontal:                                                       10mm+1ppm
Vertical:                                                            15mm+1ppm
Post Processed Kinematic (RMS):

Horizontal:                                                       10mm+1ppm
Vertical:                                                            15mm+1ppm
Static Post Processing (RMS):

Horizontal:                                                      3mm+0.5ppm
Vertical:                                                           5mm+0.5ppm
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
Timing Accuracy (RMS):                                             20ns
Velocity Accuracy (RMS):                                     0.03m/s
Initialization (typical):                                                  <10s
Initialization Reliability:                                           >99.9%
Max. Measurements Update Rate:                           20Hz
Input Voltage:                                                 5V~12V DC1
Power Consumption (at 25ºC ):          3.2W (David only)
Active Antenna Input Impedance:                              50Ω
Storage:                                              In-built 4GB memory


Serial Ports:                                                           RS232 x2
USB Ports:                                              USB 2.0 device x1
Antenna Connector:                                   SMA female x1
COM Baud Rate:                                      Up to 460800bps


Software Support
Tersus Nuwa
MicroSurvey FieldGenius
Other Third Party Software Support NMEA-0183


Dimension:                           104x65x31mm (David only)
Weight:                                                ≈ 250g (David only)
Operating Temperature:                           -40ºC ~ +85ºC
Dust- & Waterproof:                                                    IP67
Optional Accessories
2W 460MHz/30W 460MHz radio to transmit/receive RTK corrections
Battery bank


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