Base Kit with 28W Radio
David GNSS Receiver

Tersus David GNSS Receiver

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.


4GB on board an embedded multimedia card (eMMC) makes it easy to save data for post processing. The compact size, IP67-rated enclosure and external Bluetooth module alleviates most of the inconveniences encountered in field work.

Video_Quick Start

David Rover Working with CORS

Video_Quick Start

2W Radio Working Mode (Base and Rover Setup)

Video_Quick Start

Point-to-Point Working Mode

In the Box
Supports GPS L1/L2, GLONASS L1/L2, and BeiDou B1/B2
Supports 384 channels
Supports RTCM2.3/3.x, CMR, CMR+ corrections
Easy to connect an external powerful radio for long range
20Hz raw measurement output for post processing
Supports Nuwa & FieldGenius surveying software
Base Kit with 28W Radio includes
1 x David GNSS receiver
1 x DC-2pin to USB Power Cable
1 x COMM1-Bluetooth module
1 x COMM2-7pin to USB & DB9 Cable
1 x USB Type A Female to USB (Micro+Type C) OTG cable
1 x DB9 Male to USB Type A Male converter cable
1 x AX3702 GNSS antenna
2 x GNSS antenna connector
1 x TNC-J to SMA cable 1.5m (GNSS antenna cable)
1 x height measure accessory
1 x wrench
1 x warranty card
1 x DC-2pin & 30W-Radio-DC-2pin to Bullet-DC
1 x Bullet-DC to Alligator Clips
1 x COMM2-7pin to USB & 30W-Radio-5pin Cable
1 x 30W radio
1 x High Gain Radio Antenna
1 x Metal plate for radio antenna
1 x Telescopic pole for radio antenna
1 x Hook and Screws for David (attached to David)
1 x tape measure
1 x carrying case
1 x toolbag
David Quick Start Video - David Rover Working with CORS
David Quick Start Video - 2W Radio Working Mode (Base and Rover Setup)
David Quick Start Video - Point-to-Point Working Mode
David Quick Start Video - Static Surveying
David GNSS RTK Receiver Demo Video - Waterproof Demonstration
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