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The Crowtail GP02 GNSS Module is a cost-effective, field-programmable module with multi-mode satellite navigation. It supports BDS, GPS and GLONASS and is described as offering positioning accuracy of about 2 m and a maximum rate of 5 Hz with 0.1 m/s velocity accuracy.
It is made for the Elecrow Crowtail ecosystem but uses a normal UART interface, so it also works with other microcontrollers.
The module runs from 2.7 to 3.6 V DC, with a 9600 baud default and a UART interface. Navigation sensitivity is -160 dBm, cold-start capture sensitivity is -148 dBm and tracking sensitivity is -162 dBm. Current consumption is 23 mA, and start times are 32 seconds cold, 1 second warm and 1 second hot. The board measures 40 x 20 x 9.7 mm.
For the best fix, mount it outdoors or near a window with a clear sky view, keep it away from noisy switching power supplies and give it a minute for the first cold start.
Makers and students who want a low-cost, low-power GNSS module for tracking, robotics and outdoor projects.
GNSS modules dislike interference, so keep the module away from switching regulators, clock lines and radio transmitters, and give it a clear view of the sky. The first fix after power-up can take up to about half a minute, while later restarts are much faster. If your project sleeps, power the module continuously or use its backup features to keep restarts quick.
BDS, GPS and GLONASS.
About 2 m.
5 Hz.
2.7 to 3.6 V DC.
9600.
| Brand | ELECROW |
|---|---|
| Accuracy | 2m (1 sigma) |
| Baud Rate | 9600 |
| Cold Start Time | 32s |
| Dimensions | 40 x 20 x 9.7 mm |
| GNSS Constellations | BDS, GPS, GLONASS |
| Hot Start Time | 1s |
| Interface Type | UART |
| Operating Voltage | DC 2.7V-3.6V |
| Update Rate | 5.000000 Hz |
| Selling unit | PCS |
