The Leadtek GPS LR9540H module is high performance, low power consumption, and 20-channel TTL Level GPS receiver. Based on the SiRFStarIII/LP single chipset technology, it provides fast time-to-first-fix, and meets the sensitivity requirements for car navigation as well as other location-based applications. Leadtek LR9540G is designed for quick and easy integration to GPS-related compact size devices, such as:

• Fleet Manatement/ Asset Tracking
• AVL and Location-Based Services

Features:

Hardware:

• Based on the high performance features of the SiRFStarIII low power single chipset  
• Dimension: 40.64 x 71.12 x 1.4 mm (1.6x2.8x0.5 in.) 
• RoHS compliant (lead-free)

Software:

• The Leadtek LR9540 (H) module includes GSW3.2.X series, the SiRF standard GPS software for SiRF starIII low power single chipset receivers. 
• Excellent Sensitivity 
• High configurability 
• 1 Hz position update rate 
• Supports use of satellite-based augmentation systems like the US WAAS or European EGNOS system (Option) 
• Real-time Operating System (RTOS) friendly 
• Capable of outputting either NMEA(default) or SiRF proprietary binary protocols 
• Runs in full power operation (default) or optional power saving modes

Performance:

• Cold/Warm/Hot Start Time: 35/35/1 sec. at open sky and stationary environments 
• Reacquisition Time: 0.1 second.

Interface:

• DIP type pitch 2.0mm- 2 x 10 header. 
• Protocol: NMEA-0183 compliant.  
• Baud Rate: 4800 bps.  
• Right angle MCX (RMCX) RF Connector.  
• Low power consumption: up to 60 mA, and extra high sensitivity: -159dBm  
• Operating temperature: -20°C to +60°C

Module Comparison: