Trimble Catalyst is a subscription-based GNSS positioning service that uses the Trimble DA2 GNSS receiver to deliver high-quality positioning data for mapping, navigation, and measurement. Users can choose different accuracy levels and purchase subscriptions based on their needs. The service works with location-enabled apps on Android or iOS devices and includes real-time correction data through the Trimble Corrections Hub (TCH). Trimble Catalyst simplifies GNSS positioning, offering flexibility, affordability, and ease of use.