A new version of the Dexcom ONE app will be released soon. After the update, your low and high alert settings will be reset. Click here for more information

Getting Started

What are the Dexcom ONE system components?

Last Updated · September 28, 2021

The Dexcom ONE CGM system requires:
 

  1. Dexcom ONE sensors
  2. Dexcom ONE transmitters
  3. A compatible smart device*

Dexcom One components showing transmitter, sensor and a compatible smart device

5-step learning journey

Discover education resources, organised in a 5-step journey, to learn key information about your Dexcom ONE CGM system, from getting started, your first 10 days, to using Dexcom ONE in the long run.

Step 1: The basics of CGM
Step 2: Getting started
Step 3: Your first 10 days
Step 4: Using Dexcom ONE in the long run
Step 5: Understand your Diabetes trends