We use the following logo to help maritime users identify VDES enabled equipment:
![](https://www.vdes-alliance.org/wp-content/uploads/2021/08/vdes-logo-blue-1024x413.png)
We use the following interoperability marks, that shall help customers identify which equipment is tested according to the VDES-Alliance interoperability tests. A company must be a member of the VDES-Alliance and achieve certification to use the VDES interoperability marks shown below:
![](https://www.vdes-alliance.org/wp-content/uploads/2021/08/vdes-logo-blue-i1-1024x413.png)
![](https://www.vdes-alliance.org/wp-content/uploads/2021/08/vdes-logo-blue-i2-1024x413.png)
![](https://www.vdes-alliance.org/wp-content/uploads/2021/08/vdes-logo-blue-i3-1024x413.png)
VDES I1 INTEROPERABILITY DEMONSTRATED
VDES I2 INTEROPERABILITY DEMONSTRATED
VDES I3 INTEROPERABILITY DEMONSTRATED