Attendance clock in a place without WiFi or LAN internet

If it is necessary to operate the clock with a touch screen in a place without WiFi or Lan connection, it is possible, for example, to provide a SIM card with a data plan and secure the internet connection via a mobile provider. Please note this does not apply to IoT clocks which provide the connection themselves.

Use a router on the SIM card (internet via WiFi or LAN)

These are standard routers that usually allow you to connect multiple computers to the internet using a LAN cable or WiFi network that this router creates. The internet connection is then implemented via a SIM card inserted in this modem and the data tariff of the mobile provider.

This solution is suitable in cases where it may be desirable to create your own WiFi network (but this is not a condition and routers can often turn off the WiFi network completely), in cases where it is necessary to connect at least occasionally to the internet and other devices (they will use the same WiFi or one of the LAN connectors on the modem) or in case there is a very bad mobile signal in the place of the attendance clock and therefore is desirable to have a router with a SIM card elsewhere - in a place with a better signal and the internet is connected to the attendance clock by LAN cable or WiFi.