Dexcom G7: How it works
Powerfully Simple Glucose Monitoring
Better Accuracy* And Health Outcomes1-5
Our most accurate CGM system5,† just got better
Relentless innovation, that's the Dexcom difference.
We’re always working on making Dexcom G7 more powerful, more useful, and more convenient. Our latest updates give you more freedom, a stronger connection, and a better understanding of how your daily activities impact your glucose.
Updated event logging‡
Automated activity logging, and new simplified meal logging help you better understand how activity, and food impact your glucose in real time, so it's easier to make informed decisions and gain more control.
Enhanced bluetooth with rapid reconnect
The Dexcom G7 sensor now has enhanced bluetooth¶ with rapid reconnect. It delivers a 65% farther§,6 range and a quicker reconnection when you go out of range, keeping you connected longer so you have less time without your numbers.
Dexcom G7
1: All-in-one wearable sensor
2: Overpatch
3: Display device†
Want the Dexcom G7 app on your smartphone?†
Customisable alerts that work for you.
The Dexcom G7 app gives you the flexibility to customise alert sounds and settings to best fit your lifestyle and needs.
Urgent Low Soon
Provides a 20-minute advance warning of when you’ll reach 3.1 mmol/L so that you can act quickly and avoid a potential hypoglycaemic event.
Provides a 20-minute advance warning of when you’ll reach 3.1 mmol/L so that you can act quickly and avoid a potential hypoglycaemic event.
Can be turned off or customised# (sound/vibrate, snooze) in Profile > Alerts > Urgent Low Soon.
Silence All
With this setting, all alerts will not sound or vibrate for up to 6 hours. Visual notifications will still appear on the lock screen.
With this setting, all alerts will not sound or vibrate for up to 6 hours. Visual notifications will still appear on the lock screen.
Delay 1st Alert
Enables you to delay your first high alert until your sensor reading is high for a while, allowing you to make your glucose alerts work for you.
Enables you to delay your first high alert until your sensor reading is high for a while, allowing you to make your glucose alerts work for you.
Quiet Mode
When this setting is enabled all your Dexcom G7 alerts will vibrate. Your urgent low glucose and technical alerts will still escalate to sound if not acknowledged.
When this setting is enabled all your Dexcom G7 alerts will vibrate. Your urgent low glucose and technical alerts will still escalate to sound if not acknowledged.
Urgent Low Alert
Alerts you when your sensor reading is at 3.1 mmol/L or below. This alert cannot be turned off or silenced.
Alerts you when your sensor reading is at 3.1 mmol/L or below. This alert cannot be turned off or silenced.
Can be turned off or customised# (sound/vibrate, snooze) in Profile > Alerts > Urgent Low.
Low Glucose Alert
Alerts you when your sensor reading is at or below the level you set. Customise this setting to enable tighter control and help get ahead of lows.
Alerts you when your sensor reading is at or below the level you set. Customise this setting to enable tighter control and help get ahead of lows.
Can be turned off or customised# (sound/vibrate, snooze) in Profile > Alerts > Low Alert.
High Glucose Alert
Alerts you when your sensor reading is at or above the level you’ve set. It’s the yellow line on the trend graph.
Alerts you when your sensor reading is at or above the level you’ve set. It’s the yellow line on the trend graph.
Can be turned off or customised# (sound/vibrate, snooze) in Profile > Alerts > High Alert.
Rising and Falling Fast Alerts
Lets you know when your sensor readings are changing quickly. You’ll see double arrows on your glucose reading. These alerts can be turned off in the Profile tab.
Lets you know when your sensor readings are changing quickly. You’ll see double arrows on your glucose reading. These alerts can be turned off in the Profile tab.
Track your progress. Reach your goals.
You can track your progress by viewing the integrated Dexcom Clarity card right in the Dexcom G7 app.
View insights into your glucose patterns simply by swiping up to view the Clarity card. The more you know, the easier it is to stay in range, which can help lower your HbA1C.1-5
Get set up with Dexcom G7
Jumpstart your journey with our super simple step-by-step learning zone
*As compared to Dexcom G6 System. † Smart devices sold separately. For a list of compatible devices, please visit dexcom.com/compatibility. ‡ Patients reported that 94% of Dexcom G7 sensors worn were comfortable to wear (mild, no discomfort). ¶ Upgraded Bluetooth has a 10 metres bluetooth range, 4 metres further than the previous 6 metres range. # Before customising or turning off alerts users should consult with a healthcare provider.
1. Beck RW, et al. JAMA. 2017;317(4):371-378. 2 Beck RW, et al. Ann Intern Med. 2017;167(6):365-374. 3. Martens T, et al. JAMA. 2021;325(22):2262-2272. 4. Laffel LM, et al. JAMA. 2020;323(23):2388-2396. 5. Welsh JB, et al. J Diabetes Sci Technol. 2024;18(1):143-7.