Dexcom ONE+ User Manual page 81

Essential performance
The Dexcom ONE+ CGM system measures patients' glucose sensor readings with specified accuracy under the stated
operating conditions. The essential performance of the Dexcom ONE+ CGM system also includes reporting the corresponding
measured glucose sensor readings and alerts on the display device.
Quality of service summary
Quality of service for the Dexcom ONE+ System wireless communication using Bluetooth Low Energy is assured within the
effective range of 6 meters, unobstructed, between the Dexcom ONE+ transmitter and paired display device at regular
5-minute intervals. If connection is lost between the transmitter and display device, upon re-connection any missed packets
(up to 24 hours) will be transmitted from the transmitter to the display device. The Dexcom ONE+ CGM System is designed to
only accept radio frequency (RF) communications from recognized and paired display devices.
Security measures
The Dexcom ONE+ system uses the following interfaces and communication protocols:
Transmitter: Bluetooth Low Energy
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Receiver: Bluetooth Low Energy and USB
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App: Bluetooth Low Energy to transmitter. TLS to Dexcom data platform using cellular data or Wi-Fi.
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The Dexcom ONE+ System is designed to transmit data between the transmitter and designated display devices in accordance
to the industry standard Bluetooth Low Energy protocols. It will not accept radio frequency (RF) communications using any
other protocol, including Bluetooth classic communication protocols.
Don't pair your sensor over Bluetooth in public or populated areas. Bluetooth pairing should be done in a private and safe
location to reduce cyber risks such as eavesdropping.
In addition to the security provided by the Bluetooth Low Energy connection, communication between the Dexcom ONE+
transmitter, Dexcom ONE+ receiver, and mobile applications is protected by additional levels of security and safety mitigations
using an encrypted and proprietary data format. This format embeds various industry standard encryption protocols and
methods to protect data, verify data integrity, and to detect and prevent data tampering.
You are responsible for securing your display devices. If security is compromised, it may affect the Dexcom data shown on the
display device.
Use these tips to help secure a smart device:
Secure network: Only connect to a trusted/secure network.
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Secure smart device: Don't use the Dexcom ONE+ app on a jailbroken (Apple) or rooted (Android) smart device.
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App sources: Only install apps from trusted sources, such as Google Play or Apple App Store.
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Auto-lock: In smart device settings, turn on screen auto-lock and use a strong password.
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Before plugging the receiver into a computer, follow these tips to help keep the receiver secure:
Secure network: Only connect the computer to a trusted/secure network when uploading data to Dexcom Clarity or
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updating your receiver using Dexcom Clarity.
Virus-free: Make sure the computer has anti-virus software installed and set to update automatically.
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If you suspect your display device security is compromised and affecting your Dexcom data, contact Dexcom Technical
Support at dexcom.com or contact your local Dexcom distributor and use your BG meter until the issue is resolved.
Unless disabled, the Dexcom ONE+ mobile application regularly communicates with Dexcom Servers. Both the Dexcom ONE+
mobile application and communication between the Dexcom ONE+ applications and Dexcom Servers are protected by a
number of mechanisms, designed to safeguard data integrity and data confidentiality.
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