This article contains step-by-step instructions on how use idBlender together with Teltonika RUTx routers.
Login to your router's WebUI. You can do this by entering the router's LAN IP address (192.168.1.1 by default) into the URL field of your web browser.
Create new or modify existing Wireless access point.
Open the 'Wireless Security' tab and set Encryption to WPA2-EAP.
Set RADIUS fields with your idBlender account WiFi service provided values.
Official instructions from Teltonika setup guide.