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Leverage your ESRI ArcGIS® investment by using it to see your fleet in real time on your own GIS maps: CompassLDE®

CompassLDE is the universal AVL and Mobile Resource Management Server software. CompassLDE receives vehicle location, status and messaging data for multipule fleets or mobile assets over different wireless communication networks simultaneously. CompassLDE can communicate with a variety of standard in-vehicle AVL equipment, location-enabled handsets, PDA’s or other mobile sensors serving this data in real-time to applications via the internet using standard TCP/IP, UDP and XML protocols.


  • Supports most standard GPS and wireless communication devices
  • Supports multiple communication networks and protocols simultaneously with optimized wireless connection management
  • Provides position and event data (discrete inputs, such as: lights on/off, siren on/off, plow on/off, airbag release, ect.)
  • Supports mobile and static sensor data transport
  • Supports full functional redundancy
  • Open architecture and standard API for third-party client and browser-based development
  • Supports SQL, Oracle and other standard databases for archive of historical data
  • Supports thousands of vehicle and mobile assets
  • Scalable by adding hardware and communication bandwidth
  • Serves as a data source for ESRI’s ArcGIS Server
  • Supports two-way messaging transmission mobile to mobile and mobile to dispatch


  • Enhances integration of AVL data into third-party Fleet Management Software, Computer Aided Dispatch (CAD), and Enterprise Software Systems
  • Flexible architecture provides migration path for future developments of in-vehicle hardware and communication protocols
  • Requires minimal system administration
  • The most flexible and affordable mobile resource management solution in the industry
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