> For the complete documentation index, see [llms.txt](https://agamrobotics.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://agamrobotics.gitbook.io/docs/gnss-and-rtk-systems/agam-gnss-base-rtk/technical-specification.md).

# Technical Specification

| Features                             | Specifications                                                        |
| ------------------------------------ | --------------------------------------------------------------------- |
| Connector Type                       | JST GH1.25 6pin connector                                             |
| Port Type                            | UART for Rover/USB-C Port for Base                                    |
| Communication Protocol               | UART                                                                  |
| GNSS Receiver                        | u-blox ZED-F9P                                                        |
| Antenna Type                         | External Helical Antenna                                              |
| GNSS Constellations                  | GPS / QZSS, Galileo, GLONASS, BeiDou                                  |
| Operational Limits                   | <p>Dynamics: ≤ 4 g<br>Altitude: 80,000 m<br>Velocity: 500 m/s</p>     |
| Positioning Accuracy                 | 0.01m                                                                 |
| Max Navigation Update Rate           | <p>GPS+GAL+GLO+BDS:<br>RTK: 20Hz Max<br>PVT: 7Hz Max<br>RAW: 10Hz</p> |
| Horizontal Positioning accuracy(CEP) | <p>PVT: 1.5 m<br>SBAS: 1.0m<br>RTK: 0.01 m +1ppm</p>                  |
| Vertical Positioning accuracy        | <p>PVT: 2.0 m<br>SBAS: 1.5m<br>RTK: 0.01 m +1ppm</p>                  |
| GNSS Protocol                        | <p>NMEA<br>RTCM 3.3<br>SPARTN 2.0.1<br>UBX binary</p>                 |
| GPS 3D Fix                           | <p>Cold starts: 27s<br>Hot Start: 2s<br>Aided start: 4s</p>           |
| LED Indicators                       | <p>GPS Fix indication<br>RTK Status<br>RGB System indication</p>      |
| RTK Support                          | Yes                                                                   |
| Working voltage                      | 4.75V\~5.25V                                                          |
| Operating Temperature                | -25℃ to 85℃                                                           |
| Current Consumption                  | \~150mA                                                               |
| Dimensions                           | Diameter: TBD                                                         |
| Weight                               | <p>Weight :</p><ul><li>\~TBD (with enclosures)</li></ul>              |
| Manufactured in                      | Made in India                                                         |