Supported from firmware 7.0.2 on all MAX cellular routers, you can enable or disable data roaming per country using one (or more) mobile country code(s) or MCC.
To enable this feature log on to the router’s web interface and select the cellular WAN details.
Scroll down to the cellular settings > bandwidth allowance .
Tick the box to enable “data roaming”
Select between the available options: any countries, allowed countries and denied countries.
When you have selected allowed or denied countries add one or more MCC’s to the Mobile Country Code field.
When adding multiple MCC codes use a space or a carriage return as a separator.
Scroll down and click “Save and Apply” to save your changes.
Mobile Country Codes can be found on the following website: