# Specifications

## GNSS

| Feature                  | Specification                                                                  |
| ------------------------ | ------------------------------------------------------------------------------ |
| GNSS Constellations      | NavIC (L5), GPS (L1/L5), Galileo (E1/E5), BeiDou (B1/B2a), QZSS (L1/L5)        |
| Frequency Bands          | Dual-band L1 + L5                                                              |
| Supported Signals        | GPS: L1C/A, L5; NavIC: L5; Galileo: E1, E5a; BeiDou: B1I, B2a; QZSS: L1C/A, L5 |
| Channels                 | 92 tracking channels                                                           |
| Positioning Accuracy     | < 1.5 m CEP (Standalone)                                                       |
| Time to First Fix (TTFF) | Cold start: < 24 s; Hot start: < 1 s                                           |
| Update Rate              | Up to 10 Hz                                                                    |
| Timing Features          | PPS (Pulse Per Second) output for timing and synchronization                   |
| SBAS Support             | Yes (WAAS, EGNOS, MSAS, GAGAN)                                                 |
| Correction Services      | Supports SBAS                                                                  |
| Antenna Interfaces       | External active/passive via U.FL / SMA (depends on module design)              |
| Interface Options        | UART, I²C, SAFEBOOT, RESET                                                     |
| Operating Voltage        | 1.8 V core (via onboard regulators), typically 3.3–5.0 V for modules           |
| Power Consumption        | \~35–40 mW in continuous tracking mode                                         |
| Operating Temperature    | –40°C to +85°C                                                                 |
| Key Feature              | NavIC L5 support for high-accuracy navigation in the Indian region             |

## Compass

| Chipset           | Bosh BMM350                    |
| ----------------- | ------------------------------ |
| Type              | Triaxial magnetic field sensor |
| Interface         | I2C                            |
| Measurement Range | ±1300 µT                       |
| Resolution        | <0.1 µT                        |
| Output Data Rate  | Up to 100 Hz                   |
| Operating Voltage | 1.7–3.6 V                      |


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