LR9548SX Leadtek SiRF Star III GPS Module

LR9548SX GPS module is a high sensitivity, low power, Surface Mount Device (SMD). This 20-channel global positioning system (GPS) receiver is designed for a wide range of OEM applications and is based on the GPS signal search capabilities of the SiRFstar III GSC3f/LPx chipset, SiRF’s newest chipset technology.

The LR9548SX is also pin-to-pin compatible with the LR9805 (LR9548) for easier and faster transition.



The LR9548SX is designed to allow quick and easy integration into GPS-related applications such as:

-PDA, Pocket PC, and other computing devices

-Car and Marine Navigation.

-Fleet Management /Asset Tracking.

-AVL and Location-Based Services.

-Hand-Held Device for Personal Positioning and Navigation.



Features

Hardware and Software

- Based on the high performance features of the SiRFStarIII GSC3f/LPx 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 SiRF GSW3 v3.2.5 software

- Multiple I/O pins reserved for customizing special user applications

- RoHS compliance



Performance

- Cold/Warm/Hot Start Time: 35/35/1 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.

- Enhanced Navigation Performance

- Improved Jamming Mitigation

- Improved Ephemeris Availability



Interface

- TTL level serial port for GPS communications interface

- Protocol: NMEA-0183/SiRF Binary (default NMEA)

- Baud Rate: 4800, 9600, 19200, 38400 or 57600 bps.



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