Dexcom ONE Transmitter

Best for people with type 1 or type 2 diabetes using insulin

Real-Time CGM with Exceptional Accuracy


Lasts 90 days


SKU: 4214730. Category:

Dexcom ONE Transmitter

Introducing the Dexcom ONE Transmitter: Your Ultimate  Continuos Glucose Monitoring Companion!

Stay on top of your glucose levels effortlessly with the cutting-edge Dexcom ONE Transmitter. Designed to seamlessly integrate with the Dexcom ONE sensor, this advanced transmitter revolutionizes how you manage your glucose readings.

Say goodbye to wires and hello to wireless convenience! The Dexcom ONE Transmitter utilizes state-of-the-art Bluetooth technology to effortlessly transmit real-time glucose readings directly to your smartphone. Simply slot the transmitter into your Dexcom ONE sensor, and watch as your glucose data syncs flawlessly with your compatible smartphone.

Part of the renowned Dexcom ONE system, this transmitter works tirelessly beneath your skin to provide accurate and dependable glucose measurements. Experience the freedom of real-time updates delivered straight to your smartphone every 5 minutes. No more guesswork, no more hassle—just a constant stream of vital information at your fingertips.

We understand the importance of uninterrupted glucose monitoring, which is why each Dexcom ONE Transmitter is built to last. With a remarkable lifespan of 3 months, you can enjoy continuous monitoring without frequent replacements. This means more convenience, more peace of mind, and more control over your health.

Empower yourself to take charge of your glucose management journey with the Dexcom ONE Transmitter. Embrace a life free from constant finger pricks and cumbersome devices. Make informed decisions, track trends, and share your data with your healthcare provider effortlessly.

Choose innovation, choose accuracy, choose freedom. Choose the Dexcom ONE Transmitter and experience glucose monitoring like never before. Your health, your data, your life—simplified.

Best for people with type 1 or type 2 diabetes using insulin looking for an easy and accessible real-time CGM system


  • Sends glucose readings every 5 minutes to your compatible smartphone
  • Lasts 90 days – will be re-used across multiple sensors
  • Water resistant

Dexcom ONE App on a compatible smartphone

  • Provides glucose readings and High/Low alerts
  • Available for free on Apple or Android app stores
  • Compatible smartphone required
  • Dexcom ONE can also be used with an optional receive

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What is the price of  Dexcom ONE Transmitter?

The price of  Dexcom ONE Transmitter is £32.29

Where can you buy Dexcom ONE Transmitter?

You can buy Dexcom ONE Transmitter at Dock Pharmacy Essex UK, UK Online Pharmacy.

Can you buy Dexcom ONE Transmitter Over the counter?

Dexcom ONE Transmitter is available to buy over the counter.





How To Use

The Dexcom ONE Transmitter easily snaps inside the sensor. Your Dexcom ONE will let you know when your transmitter will end.

Please watch  video showing you how to attach the transmitter by Dexcom

Delivery Options

Delivery options

All deliveries are subject to the availability of the product and product sale conditions been met.

Order & Collect
Free next-day collection from In-Store

UK Delivery

Standard Delivery within the UK £3.50 Delivery time 3-4 days
First Class Delivery within the UK £5.90 Delivery time 1-2 days
Priority Delivery within the UK £7.10. Next day delivery by 1pm. Order must be placed by 1pm. Priority delivery is only available Monday to Thursday.

Europe Delivery

Standard Delivery within EEC from £12.50 Delivery time up to 5 days depending on the local delivery service within your country.
Expedited Delivery within EEC £39.50 Delivery time 2 days. Delivery by DHL, UPS or TNT.

Rest of the World

Standard Delivery Rest of the World from £16.10 Delivery Time 10 – 15 Days
Expedited Delivery Rest of the World £55.09 Delivery 5 days. Delivery service by DHL, TNT or UPS

For more information see our Shipping Policy or view our Return policy.

Product Details

Where can you wear Dexcom One

All patients can use their abdomen or back of upper arms. Patients 2 to 17 years old can also choose their upper buttocks. Look for a place on your abdomen, back of upper arms, or upper buttocks where you have some padding. The sensor is not tested or approved for other sites. Talk to your Healthcare Professional about the best site for you. Ages 2-17 years: Insert in your abdomen, back of upper arms, or upper buttocks Ages 18 and older: Insert in your abdomen or back of upper arms.


This product is water resistant. Keep in mind that Bluetooth connections won’t work as well in water. If you are showering or swimming, try to keep your transmitter and smartphone in close range to one another.

Age restrictions

This product is not suitable for children under 2 years old.

Pregnancy and breastfeeding

The Dexcom device has been approved to use during pregnancy.

Important information

Please read the included leaflet carefully before using this product.

Please contact your GP if appropriate regarding this product.

Patient Information leaflet

Click here for the Patient Information leaflet

Please read before using the product

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