Module GPS v2.1
SKU:M003-V21
Description
Module GPS v2.1 is a high-performance GNSS global positioning module that integrates the AT6668 high-performance chip to provide accurate and reliable satellite positioning services. The module supports multi-frequency and multi-mode GNSS signal reception and is compatible with multiple satellite navigation systems, including GPS, BD2, BD3, GLONASS, GALILEO, and QZSS. It enables high-precision multi-system joint positioning or single-system independent positioning with excellent anti-interference capabilities. In weak signal areas, it can quickly obtain higher-precision location information.
The module comes standard with an external SMA antenna. In addition, it features a DIP switch that allows flexible switching of TX/RX communication pins, and precise time synchronization via PPS signal output. It is suitable for high-precision positioning applications such as in-vehicle navigation, IoT positioning devices, remote monitoring, smart cities, home, and industrial automation. Compared with the previous Module GPS v2.0, this product has optimized interface compatibility to support CoreMP135, and the UART pin options have been increased from four to five.
Features
- Supports multiple satellite navigation systems (GPS/QZSS/BD2/BD3/GAL/GLO)
- Multi-frequency multi-system reception
- Multi-channel
- Low power consumption
- Precise time synchronization support
- Supports module stacking
- Development Platform
- UiFlow1
- UiFlow2
- Arduino IDE
Includes
- 1 x Module GPS v2.1
- 1 x External active GPS/BD antenna (length: 1m)
Applications
- In-vehicle positioning and navigation
- IoT positioning devices
- Industrial automation and robotics positioning
- High-precision surveying and GIS
Specifications
| Specification | Parameter |
|---|---|
| SoC | AT6668 |
| Supported GNSS | GPS/QZSS/BD2/BD3/GAL/GLO |
| Frequency Bands | BDS: B1I+B1C GPS/QZSS/SBAS: L1 GALILEO: E1 GLONASS: R1 |
| Channels | 50 channels |
| Positioning Accuracy | <1.5m (CEP50) |
| Update Rate | Up to 10Hz |
| Protocol | NMEA0183 4.1 |
| Sensitivity | Tracking: -162dBm Acquisition: -160dBm Cold start: -148dBm Hot start: -156dBm |
| Start Time | Cold start: 23s Hot start: 1s |
| Power Consumption | Standby current: DC 5V/29.43uA Operating current: DC 5V/28.35mA |
| Antenna Frequency | 1555MHz ~ 1580MHz |
| Product Size | 54.0 x 63.6 x 13.1mm |
| Product Weight | 16.0g |
| Package Size | 123.0 x 65.0 x 22.0mm |
| Gross Weight | 78.3g |
Schematics
PinMap
Basic host, at startup the G12 pin acts as a Strapping pin and must be set low; do not switch it to the ON position, otherwise it will not start normally. After startup, it can be reconfigured and switched to ON. The G25 pin outputs the PPS signal, while the speaker uses it as an input, causing a function conflict — only one can be used at a time.When used with
Core2, the G2 pin is shared with the speaker, so only one function can be used at a time.M5-Bus
SW in the M5-Bus below can be switched via DIP switches to adapt to different host devices.| PIN | LEFT | RIGHT | PIN |
|---|---|---|---|
| GND | 1 | 2 | GNSS_TX/PPS (SW) |
| GND | 3 | 4 | PPS(SW) |
| GND | 5 | 6 | |
| 7 | 8 | PPS(SW) | |
| 9 | 10 | ||
| 11 | 12 | ||
| GNSS_TX(SW) | 13 | 14 | GNSS_RX(SW) |
| GNSS_TX(SW) | 15 | 16 | GNSS_RX(SW) |
| 17 | 18 | ||
| 19 | 20 | ||
| GNSS_RX(SW) | 21 | 22 | GNSS_TX(SW) |
| GNSS_RX(SW) | 23 | 24 | GNSS_RX(SW) |
| HPWR | 25 | 26 | GNSS_TX(SW) |
| HPWR | 27 | 28 | 5V |
| HPWR | 29 | 30 | BAT |
Model Size
Datasheets
Softwares
Quick Start
Arduino
Video
- Module GPS v2.1 Product Introduction
Product Comparison
| Product Compare | Module GPS v2.1 | Module GPS v2.0  | Module GPS  |
|---|---|---|---|
| GPS Module | AT6668 | AT6668 | NEO-M8N |
| Supported GNSS | BD2/BD3/GPS/GLO/GAL/QZSS | BD2/BD3/GPS/GLO/GAL/QZSS | GPS/GLO/GAL/BeiDou |
| Positioning Accuracy | <1.5m (CEP50) | 1.5m | 2.5m |
| Sensitivity | Tracking: -162dBm Acquisition: -160dBm Cold start: -148dBm Hot start: -156dBm | Tracking: -162dBm Acquisition: -160dBm Cold start: -148dBm | Tracking: -167dBm Acquisition: -160dBm Cold start: -148dBm |
| DIP Switch Pin Swap | Five selectable UART pin groups, compatible with CoreMP135, stronger compatibility | Four selectable UART pin groups, not compatible with CoreMP135 | Fixed pins, no DIP switch pin swapping |