Ai-Thinker GP-01 BDS+GPS Development Board
The Ai-Thinker GP-01 BDS+GPS Development Board is a compact, highly integrated SOC development board designed for satellite navigation applications. Equipped with a built-in ceramic antenna and a high-performance BDS/GNSS multi-mode satellite navigation receiver, it’s perfect for positioning and navigation projects. Powered by the AT6558R satellite positioning chip, this board integrates a radio frequency front end, digital baseband processor, 32-bit RISC CPU, power management, and active antenna detection and protection functions.
Features
- Highly integrated SOC development board with a built-in ceramic antenna
- High-performance BDS/GNSS multi-mode satellite navigation receiver
- Powered by the AT6558R satellite positioning chip
- Supports BDS, GPS, and GLONASS for multi-system joint positioning
- NMEA protocol support for seamless integration
- Serial communication interface (UART) with a maximum rate of 256000bps
- Compact size: 23.4mm x 12.2mm x 24mm
- Wide operating temperature range: -40°C to 85°C
- Low power consumption with sleep and standby modes
- RoHS certified for environmental compliance
Specifications
| Parameter | Value |
|---|---|
| Model | GP-01-Kit |
| Size | 23.4 x 12.2 x 24 mm |
| Operating Temperature | -40°C to 85°C |
| Storage Environment | -40°C to 125°C, <90% RH |
| Power Supply | 5V (via Micro USB) |
| UART Rate | Up to 256000bps |
| Certification | RoHS |
| Time to First Fix (TTFF) – Cold Start | ≤32s |
| Time to First Fix (TTFF) – Hot Start | ≤1s |
| Time to First Fix (TTFF) – Recapture | ≤1s |
| Sensitivity – Cold Start | -148 dBm |
| Sensitivity – Hot Start | -156 dBm |
| Sensitivity – Recapture | -160 dBm |
| Sensitivity – Tracking Mode | -162 dBm |
| Positioning Accuracy | <2m (1σ) |
| Timing Accuracy | <30ns (1σ) |
| Speed Measurement Accuracy | <0.1m/s (1σ) |
| Positioning Update Rate | 1Hz (max. 5Hz) |
| Power Consumption – BDS/GPS Dual-Mode | 23 mA |
| Power Consumption – Sleep Mode | 20 μA |
| Power Consumption – Standby Mode | 8 μA |
| Reset Voltage (aVDD_IO) | 2.35V to 2.6V (Typical: 2.45V) |
| Reset Time (Crystal Frequency 26 MHz) | 160 ms |
| TCXO Crystal Frequency | 26 MHz |
| TCXO Amplitude | 0.5Vpp to 1.5Vpp |
| Active Antenna Detection Current | 2.5 mA |
| Active Antenna Short Circuit Protection Current | 45 mA to 60 mA (Typical: 50 mA) |
| Antenna Detection Circuit Voltage Drop | 0.3V (at 3.3V, 50 mA load) |
| Working Current (BDS+GPS at 3.3V) | 23 mA |
| Battery Backup Current | 8 μA |
| Sleep Mode Current (ON_OFF = 0) | 20 μA |
| RTC Crystal Frequency | 32.768 kHz |
| RTC Crystal Equivalent Series Resistance | ≤80 kΩ |
| RTC Crystal Series Capacitance | 8 pF |
| Pin Definitions |
|
Pin Definition
Applications
- Satellite navigation and positioning systems
- GPS tracking devices
- Location-based services (LBS)
- IoT projects requiring precise location data
- Autonomous vehicles and drones
- Surveying and mapping applications
- Timing and synchronization systems
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