Catalyst GNSS Systems
Surveyor using Catalyst DA2 in the field

Subscription-based GNSS Positioning Service

Trimble Catalyst

High accuracy GNSS positioning-as-a-service for Android and iOS mobile apps

Surveyor using Catalyst DA2 in city street

Software GNSS. Seriously.

The Trimble® Catalyst™ DA2 GNSS system is a revolutionary concept delivering positioning-as-a-service to Android™ and iOS devices. With the addition of the simple, lightweight Trimble DA2 GNSS receiver and an on demand accuracy-based subscription, turn your smartphone or tablet into a precision mapping, navigation, and measurement tool you can use with any location enabled app or service.

Watch and Learn

How it Works
Industries & Workflows
Features & Benefits

We took Trimble’s core GNSS technology that runs on a dedicated hardware chip and transformed it into a software service that can literally run inside an app on your phone. So all you have to do is select a plan and get on-demand accuracy, directly to your mobile device.

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Choose your precision level

From centimeter to sub-meter, simply pick the Catalyst subscription level to suit your needs.

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Purchase your subscription

Pay per hour, per month, or per year. Catalyst subscriptions deliver GNSS performance and include corrections as an all-in-one service.

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Connect a DA2 receiver and GO!

Connect a lightweight, inexpensive and precise DA2 Catalyst receiver to your phone or tablet, launch your app, sign in to Catalyst, and away you go!

Whether you’re carrying out mapping or mobile GIS data collection projects, Catalyst has the positioning accuracy for every workflow.

Over shoulder shot of iPad on Catalyst handle in city street

GIS Mapping & Data Collection

From Archeology to Zoology, Catalyst delivers cost-effective positioning for any industry. Smarter data collection, easier.

Surveyor in quarry with DA2 GNSS rover

GNSS Land Surveying

When accuracy matters most, trust Catalyst for survey-grade positioning performance at an affordable price for everyday operation.

GIS worker wearing a backpack with GNSS receiver attached

Mobile GIS Applications

With full support for iOS and Android, Catalyst enables precision mobile GIS workflows—including full integration with Esri’s ArcGIS Field Maps.

Aerial view of countryside

Land & Cadastral management

Precise land parcel and boundary mapping begins with accurate and affordable positioning. Trimble Catalyst delivers.

Man in hard hat and survey vest smiling

Utilities and Public Administration

Map and maintain critical utility and public administration infrastructure through the precise positioning capabilities of Catalyst.

Aerial view of countryside


Catalyst takes mapping to the next level, helping deliver precise, streamlined ground control point capture for UAV mapping workflows.

Versatile in the field & higher accuracy in real-time.


Works with any location-enabled app, on any Android or iOS device. Catalyst delivers precision positioning without the hassle.


Easily modify your accuracy level and team size as your requirements change.


Once you have the powerful, yet low cost, Trimble DA2 receiver, only pay for the desired accuracy and time your projects require.


No matter what the task, Catalyst delivers Trimble precision and position quality to any location-enabled workflow.

Over shoulder shot of tablet using Catalyst handle accessory

Trimble DA2 GNSS receiver: Simply precise

The engine at the heart of the Catalyst positioning service is the Trimble DA2 receiver. Don’t be fooled by its small size and even smaller price tag. Built using Trimble ProPoint™ GNSS technology, DA2 delivers survey-quality RTK positioning to location-enabled Android or iOS apps. Whether mounted on a survey pole, a backpack or the Catalyst Handle accessory, its lightweight, compact size makes it easy to carry and stow anywhere, so the DA2 is ready to go whenever you need it.

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Choose your subscription plan

Monthly & annual plans

Ideal for seasonal, project-based, and predictable usage. Purchase a subscription for one month-at-a-time, multiple months-at-a-time or annually for a fixed number of users, at the level of accuracy you and your teams require.

View Coverage Map     Manage My Subscription

Catalyst on-demand hourly plans

Perfect for unpredictable and fluctuating usage and team sizes. Purchase from as little as 10 hours at a time for use by any number of users, and receive centimeter-level accuracy for your workflows.

Catalyst 1

(1 cm)

Starting at


(per user, on a monthly plan)*
Hourly On-demand Plans
Monthly Plans
Annual Plans
More +

Catalyst 10

(10 cm)

Starting at


(per user, on a monthly plan)*
Monthly Plans
Annual Plans
More +

Catalyst 30

(30 cm)

Starting at


(per user, on a monthly plan)*
Monthly Plans
Annual Plans
More +

Catalyst 60

(60 cm)

Starting at


(per user, on a monthly plan)*
Monthly Plans
Annual Plans
More +

*MSRP, plus applicable taxes. Pricing varies by region and currency. Contact your local Trimble Distributor for pricing in your area.

Corrections Hub

Catalyst works around the world thanks to the Trimble Corrections Hub (TCH). The corrections hub provides worldwide and configuration free access to Trimble correction services—including Trimble VRS Now and Trimble RTX services—for all Catalyst users at no additional cost.

When using TCH, the DA2 dynamically selects the appropriate correction service based on the environment and Catalyst subscription level.

View Detailed Trimble VRS Now & RTX Coverage Maps

Corrections Hub

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