Questions about Huawei E5576-322

According to the information available to me, fixed IP addresses can be assigned, but port forwarding is not possible.

Good evening - you need a SIM card (similar to a mobile) from a mobile operator (either Swisscom, SunriseUPC, Salt, Digitec etc.etc.) - either a subscription as for a mobile, or a data-only subscription (if you already have a mobile, there are actions from the operators, e.g. Swisscom One and e.g. Salt with a care Sim and additional data plan etc. - If you have already a mobile phone, there are actions of the operators, e.g. Swisscom One and e.g. Salt with a care Sim and an additional data plan etc. (you have to ask your current operator). Once you have evaluated your card and plan, you insert the card into the router, connect your PC/Notebook/Mobile via Wifi to the router and configure the router (i.e. enter the PIN of the Sim card) and you can connect to the internet. Alternatively (and without buying a router) - you can set up a hotspot with your mobile - it's the same procedure. Kind regards