M5Stack
M5Stack GPS Unit v1.1 (AT6668)
M5Stack GPS Unit v1.1 (AT6668)
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GPS Unit v1.1 is a GNSS global positioning navigation unit, integrating the high-performance CASIC navigation chip AT6668 and signal amplifier chip MAX2659, with a built-in ceramic antenna, providing more precise and reliable satellite positioning services. Compared to previous products, AT6668 supports multi-frequency and multi-mode GNSS signal reception, receiving signals from multiple satellite navigation systems (including GPS, BD2, BD3, GLONASS, GALILEO, and QZSS), supporting multi-system combined positioning as well as single-system standalone positioning. It has enhanced anti-interference capability and higher positioning accuracy, allowing it to quickly acquire high-precision location information in areas with weak signals. This module is widely applicable in high-precision positioning applications, such as in-vehicle positioning and navigation, IoT positioning devices, and more.
Features
- Supports multiple satellite navigation systems (GPS/QZSS/BD2/BD3/GAL/GLO)
- Multi-frequency and multi-system reception
- Multi-channel
- Low power consumption
- 2x LEGO-compatible holes
- Programming platforms: Arduino, UIFlow, etc.
Contents
- 1x Unit-GPS v1.1
- 1x HY2.0-4P Cable (20CM)
Applications
- In-vehicle positioning and navigation
- Wearable devices
- IoT positioning devices
- Drones
- Portable devices
- Public transportation station reporting
Specifications
| Resources | Parameter |
|---|---|
| Module | ATGM336H-6N (AT6668) |
| Satellite systems | GPS, QZSS, BD2, BD3, Galileo, GLONASS |
| Frequencies | BDS B1I, B1C; GPS/QZSS/SBAS L1; Galileo E1; GLONASS R1 |
| Channels | 50 |
| Communication | UART, default 115200bps 8N1 |
| Protocol | NMEA0183 4.1 |
| Positioning accuracy | <1.5m (CEP50) |
| Update rate | Up to 10Hz |
| Sensitivity | Tracking -162dBm, acquisition -160dBm, cold start -148dBm |
| Time to first fix | Cold start 23s, hot start 1s |
| Power consumption | DC 5V, 31.64mA |
| Product size | 48.0*24.0*8.0mm |
| Product weight | 12.3g |
| Package size | 138.0*93.0*9.0mm |
| Gross weight | 17.6g |
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