The Leadtek LR9805ST GPS module is a high sensitivity, low power, Surface Mount Device (SMD). This 12-channel global positioning system (GPS) receiver is designed for a broad spectrum of OEM applications and is based on the fast and deep GPS signal search capabilities of SiRFstarII™ single chipset. As the single chip version of the LR9805T, The LR9805ST is pin-to-pin compatible with the LR9805-T for easier and faster transition.
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Hardware and Software features
- Based on the high performance features of the SiRFstarII single chipset
- Compact module size for easy integration: 24x20x2.9 mm (0.94x0.79x0.11 in)
- Fully automatic assembly: reflow solder assembly ready
- Hardware compatible with SiRFXTrac software
- Multiple I/O pins reserved for customizing special user applications
- RoHS compliance
Performance features
- Cold/Warm/Hot Start Time: 45/38/4 sec at open sky and stationary environments
- Reacquisition Time: 0.1 second
- RF Metal Shield for best performance in noisy environments
- Multi-path Mitigation Hardware
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Interfaces
- TTL level serial port for GPS communications interface
- Protocol: NMEA-0183 / SiRF Binary (default NMEA)
- Baud Rate: 4800, 9600, 19200, 38400 or 57600 bps (default 4800)
Advantages
- Ideal for high volume mass production(Taping reel package)
- Cost saving through elimination of RF and board to board digital connectors
- Flexible and cost effective hardware design for different application needs
- Secure SMD PCB mounting method
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