In order to use the 2N RFID reader you need to install the correct driver software.  This is only available for Microsoft Windows and can be downloaded from this page:

https://www.2n.cz/en_GB/products/access-control/2n-access-unit#tab-2

Scroll down to the Documents section and you’ll see the driver listed in the “Software & Firmware” list.

Once installed, you will see an icon in the task bar on your computer:

Right click this and select “Settings”.  This window will pop-up:

The device field may be empty, make sure you have the USB reader plugged in:

You may need to click refresh in the settings window.  Make sure you have the correct device selected before clicking “OK” to close that window.

Now you can use the reader to scan compatible RFID/NFC cards into the 2N Access Commander software or in the web interface for 2N intercoms and access control devices.

For example, in the web interface for an Access Control unit:

Click on the card icon and you will be prompted to scan a card:

That’s it, you’ll now be able to use that device to open the door.