

The high-performance and low-power BDS/GNSS navigation and positioning module has advantages such as high sensitivity, low power consumption, and low cost, and is suitable for in car navigation, handheld positioning, car rearview mirrors, etc.
WK25T00-5NR32 supports BDS/GPS satellite navigation systems for single-system positioning and also enables multi-system joint positioning (capable of positioning)
BDS/GPS/GLONASS single-system versions or multi-system combination versions;
Support A-GNSS for rapid cold start and quick positioning in weak signal conditions;
Cold start capture sensitivity: -148dBm;
Hot start capture sensitivity: -156dBm;
Recapture sensitivity: -160dBm;
Tracking sensitivity: -162dBm;
Positioning accuracy: 2.5 meters (CEP50);
Initial positioning time: ≤32 seconds;
Low power consumption: Continuous operation at 25mA@5V;
Built-in antenna detection and short-circuit protection function;
• Onboard high-performance 25x25x4mm high-performance ceramic;
Built-in LNA;
The onboard Faraday capacitor enables rapid thermal startup (<1s thermal startup);
Standard NMEA-0183 protocol output.
| signal reception |
Beidou-2 and Beidou-3 |
| frequency band support |
BDS:B1I, B1C |
| Cold start TTFF |
≤23s |
| Hot start TTFF |
≤1s |
| Re capture TTFF |
≤Is |
| Cold start capture sensitivity |
-148dBm |
| Hot start capture sensitivity |
-156dBm |
| Re capture sensitivity |
-160dBm |
| Tracking sensitivity |
-162dBm |
| positioning accuracy |
≤2m(CEP50) |
| Speed measurement accuracy |
≤0.Im/s (1o) |
| Positioning update rate |
1Hz(默认)最大10Hz |
| Serial port characteristics |
Baud rate: default 115200bps, 8 data bits, no checksum, 1 stop bit |
| Serial port protocol |
NMEA0183 |
| power supply |
3.3V - 5.5V |
| typical power consumption |
42mA @5V |
| Operating Temperature |
-40°C to +85 °C |
| Storage temperature |
-50°C to +125°C |
| size |
28x28x7mm |