Satellite navigation module

Multi mode module

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.

Product Features

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.

Performance Parameters

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