<https://maplesystems.com/product/modelname/opcua-license/#product>
<http://schema.org/description>
"An OPC UA license enables your High Performance cMT HMI, cMT SVR, or cMT Gateway to communicate to other machines and SCADA systems using the OPC UA communication protocol.\r\n\r\nVisit the OPC UA page for additional information on the applicable models, setup and operation of this feature.\r\n\r\nWhat comes in the box: An activation card.\r\n\r\nHow to use: See OPC UA page."
<https://maplesystems.com/product/modelname/opcua-license/>