The Trimble DSM232 receiver is capable of sub-meter, decimeter and centimeter accuracy and provides a complete range of GPS positioning techniques.  

• DSM232, Basic
  The entry-level Trimble DSM 232 is a high-performance, sub-meter GPS receiver that includes a combined MSK beacon and GPS antenna. It can receive corrections from the free public MSK beacons or Satellite Based Augmentation System (SBAS). Alternatively, subscription-based private differential correction services such as Omnistar VBS provide sub-meter level accuracy in real time.  

        The Trimble DSM 232 GPS receiver is also available in two dual-frequency models:  

•  DSM232, XP/HP - Compatible with Omnistar HP/XP service providing decimeter level accuracy.
•  DSM232, RTK - Real Time Kinematic (RTK) capabilities for centimeter accuracy in three dimensions.