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Trimble® Catalyst™ DA2 GNSS system
Trimble® Catalyst™ DA2 GNSS system delivers reliable, survey-grade GNSS accuracy, perfect for RTK Videogrammetry.

A high-precision positioning solution
Trimble® Catalyst™ DA2 GNSS system is a high-precision positioning solution. It contains multi-frequency capability (L1/L2/L5/MSS) with global GNSS systems support.
The Trimble® DA2 GNSS receiver device is compact and durable, powered via USB, offers versatile mounting options, and wirelessly connects to both iOS and Android devices.
Trimble Catalyst DA2: High-Accuracy GNSS on the Go
Compact, multi-frequency GNSS antenna for precise positioning with Android & iOS devices.
For more detailed information, you can visit the official Trimble Catalyst DA2 page: Trimble Catalyst DA2.

Reliability
Trimble introduced the first commercial GPS positioning product in 1984 and has been the trusted leader in serving geospatial solutions that bridge the digital and physical worlds for over 40 years. With 99.98% correction services availability, you can be on point virtually anytime, anywhere.
Replaceability
The Trimble DA2 GNSS receiver is rugged and lightweight (330g). It offers exceptional portability without sacrificing durability. In the event of damage, loss, or theft, the antenna is easily replaceable. The Catalyst subscription is transferable to a new antenna, guaranteeing continuous operation.
Productivity
Powered by the Trimble ProPoint® engine, the DA2 delivers high-precision positioning even in tough environments like tree cover, urban canyons, or near overpasses. Advanced filtering boosts resilience against jamming, spoofing, and interference. With Trimble Corrections Hub included in your Catalyst subscription, you get seamless global access to real-time corrections—online or offline.
Local Support
Trimble has an extensive network of authorized dealers providing local service and support in 118 countries worldwide.

With the 3Dsurvey RTK Videogrammetry module, achieve centimeter-level accuracy
Check out the White Paper to discover the level of accuracy you can achieve with the Trimble® Catalyst™ DA2 GNSS system.
Frequently asked questions
The Trimble Catalyst DA2 is the next-generation digital antenna for the Trimble Catalyst GNSS positioning service. Designed for use with the Trimble Catalyst app on supported Android and iOS devices, it turns your mobile device into a high-accuracy GNSS receiver. The DA2 delivers enhanced performance, greater accuracy, and quicker initialization than the previous model. Key features include:
- Multi-constellation and multi-frequency GNSS support for improved reliability and accuracy.
- Compact and lightweight design, making it highly portable and easy to use in the field.
- Compatibility with a range of Trimble Catalyst subscription plans, offering different levels of accuracy to suit various applications.
- The Trimble Catalyst DA2 is ideal for users in GIS, mapping, surveying, and other industries that require precise positioning data.
For more detailed information, you can visit the official Trimble Catalyst DA2 page.
Trimble Catalyst is a subscription-based GNSS positioning service that turns compatible Android and iOS devices into high-accuracy GNSS receivers. Using a compact digital antenna and the Trimble Catalyst app, it delivers precise positioning data directly to your device. Catalyst offers flexible subscription plans with accuracy levels ranging from meter to centimeter, making it ideal for GIS, mapping, surveying, and other precision-demanding tasks. It’s a cost-effective, portable alternative to traditional GNSS hardware, providing reliable accuracy wherever you need it. For more detailed information, you can visit the official Trimble Catalyst page.
Trimble's trade-marked technology for increased performance in challenging GNSS environments, including close proximity to trees and in urban environments
Trimble VRS Now is a service that provides instant access to high-accuracy, real-time kinematic (RTK) corrections. It is designed to deliver centimeter-level positioning accuracy. The service leverages a network of continuously operating reference stations (CORS) to provide corrections over a wide area, enabling users to achieve precise positioning without the need for a local base station.
For more detailed information, you can visit the official Trimble VRS Now page.
Trimble RTX (Real-Time eXtended) is a high-accuracy GNSS (Global Navigation Satellite System) correction technology that provides precise positioning without the need for traditional base stations or VRS networks. Trimble RTX corrections are delivered via satellite or internet, enabling users to achieve centimeter-level accuracy globally. It offers several service levels to meet different accuracy and convergence time requirements, making it a versatile solution for a wide range of positioning needs. For more detailed information, you can visit the official Trimble RTX page.
Where to buy Trimble® Catalyst™ DA2 GNSS system
Find a Trimble Authorized Distributor
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