Trimble SPS551 Modular GPS Receiver

The Trimble® SPS551 Modular GPS Receiver ideal for real-time marine construction use, in-vehicle site supervisor operations, or as a sub-meter DGPS base station. This receiver lets you conduct real-time differential surveys and navigation without a base station when using the OmniSTAR� XP/HP subscription services (over land masses) or in areas of SBAS (WAAS/EGNOS) coverage.