| Key Features |
| Supports multiple constellations & frequencies: |
| -GPS L1, L2 -GLONASS 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 & FieldGenius surveying software |
| Performance |
| 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 |
| Communication | |
| Serial Ports: | RS232 x2 |
| USB Ports: | USB 2.0 device x1 |
| Antenna Connector: | SMA female x1 |
| COM Baud Rate: | COM Baud Rate: |
| Software Support |
| Tersus Nuwa MicroSurvey FieldGenius Other Third Party Software Support NMEA-0183 |
| Physical |
| 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 |
