TNA Subscription
In this section, the term virtual device refers to a virtual device record created under Sites > [site] > Virtual Devices.
The term subscription plan refers to a TNA service plan assigned to a virtual device.
TNA Subscription Overview
TNA Subscription is a premium feature that allows you to assign TNA service subscription plans with additional premium features to virtual devices. When a subscription plan is assigned to a virtual device, the plan is recorded against that device and is visible in the Virtual Devices list.
Managers and Admins can manage TNA Subscription under Company > Settings > Subscriptions > Manage TNA Subscription, where Company Admins can view available subscription types and see which virtual devices have a subscription enabled.
TNA Subscription is a premium feature. To enable it for your company, contact evalink talos help desk.
Managing TNA Subscription
Once TNA Subscription is enabled for your company by evalink talos specialists, a Manage TNA Subscription button appears under Company > Settings > Subscriptions > Manage TNA Subscription.

Clicking Manage TNA Subscription opens a panel that shows:
- Available subscription types that can be assigned to virtual devices
- A Subscribed Devices button

Clicking Subscribed Devices opens the Virtual Devices list filtered to show only virtual devices that have a subscription plan assigned.

Viewing Subscription on Virtual Devices
When TNA Subscription is enabled for your company, a Subscription button appears for each virtual device in the following locations:
- Sites > [site] > Virtual Devices — when you click on a virtual device record

- Sites > [site] > Receivers — in the receiver record for the virtual device

The Subscription button is not available when accessing a site via a share link.
If TNA Subscription is not enabled for your company, the Subscription button is visible but disabled.
If TNA Subscription is enabled, but a particular instance of Virtual TNA Receiver is currently offline, the Subscription button is visible, but disabled.
Clicking on the enabled Subscription button opens a dialog with the current subscription plan assigned to this instance of Virtual TNA Receiver.
The following subscription plans and features are available:
| Feature | Basic | Advanced | Professional |
|---|---|---|---|
| Amount of data points | 50 | 100 | 200 |
| Node-RED | ✓ | ✓ | ✓ |
| Node-RED Redundancy | – | – | ✓ |
| Secure Interface to evalink talos | ✓ | ✓ | ✓ |
| MQTT Broker | ✓ | ✓ | ✓ |
| Full Deployment Control (deploy any application) | – | ✓ | ✓ |
| Application Supervision | ✓ | ✓ | ✓ |
| Detailed Device & Application Metrics | – | – | ✓ |
| Advanced Remote Access to Subnet | – | ✓ | ✓ |
| Managed Backup & Restore | – | ✓ | ✓ |
Assign a Subscription Plan to a Virtual Device
To assign a subscription plan to a virtual device:
-
Go to Sites > [site] > Receivers and click on the instance of TNA Virtual Receiver you want to configure
Alternatively, go to Sites > Virtual Devices and locate the virtual device record.
-
Click the Subscription button
A dialog opens displaying the available subscription plans and a View Plans and Features link.

-
Select the desired subscription plan
-
Click OK
The selected plan is saved as the subscription plan for the virtual device.