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Dexcom OneTransmitter

Dexcom OneTransmitter

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Dexcom One Transmitter for Continuous Glucose Monitoring

 

The Dexcom One transmitter is an essential component of the Dexcom One continuous glucose monitoring system, designed to help you manage your diabetes more effectively. This small, waterproof device wirelessly transmits your glucose readings from the sensor to your smartphone or compatible device every minute, providing real-time insights into your glucose levels throughout the day and night.

This transmitter works seamlessly with the Dexcom One sensor to deliver accurate glucose readings without the need for routine fingerstick calibrations. The device is designed to be discreet and comfortable, allowing you to monitor your glucose levels whilst maintaining your normal daily activities.

 

How the Dexcom One Transmitter Works

 

The transmitter attaches securely to your Dexcom One sensor and uses advanced wireless technology to send glucose data directly to your mobile device. Once connected, it continuously measures glucose levels in your interstitial fluid and converts this information into easy-to-read glucose values on your smartphone app.

The system provides glucose readings every minute, along with trend arrows that show whether your glucose is rising, falling, or remaining stable. This real-time information helps you make informed decisions about your diabetes management, including when to eat, exercise, or adjust your treatment as advised by your healthcare provider. For comprehensive diabetes monitoring solutions, you can explore additional devices and supplies.

 

Who Can Benefit from Continuous Glucose Monitoring

 

The Dexcom One transmitter is suitable for people with diabetes who want to gain better insight into their glucose patterns and improve their diabetes management. It's particularly beneficial for those who experience frequent glucose fluctuations or want to reduce the number of fingerstick tests they perform daily.

This device may be especially helpful if you:

  • Have type 1 or type 2 diabetes requiring insulin therapy
  • Experience frequent hypoglycaemic episodes
  • Want to understand how food, exercise, and stress affect your glucose levels
  • Prefer continuous monitoring over multiple daily fingerstick tests

 

Waterproof Design for Active Lifestyles

 

The Dexcom One transmitter features a waterproof design that allows you to shower, swim, and exercise without removing the device. This durability ensures continuous glucose monitoring even during physical activities or daily routines that involve water exposure.

The transmitter's robust construction is designed to withstand normal daily wear whilst maintaining accurate glucose readings. Its compact size and secure attachment system help ensure the device stays in place during movement and activity.

 

Battery Life and Replacement Schedule

 

Each Dexcom One transmitter has a battery life of approximately 90 days from the date of first use. The system will notify you through your connected device when the transmitter battery is running low, giving you time to obtain a replacement before the current one expires.

The transmitter is designed for single use and cannot be recharged. When the battery expires, you'll need to replace the entire transmitter unit to continue using your continuous glucose monitoring system.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

 

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Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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