This article will help you quickly take a Raspberry Pi and configure it as an Internet Router.

We focus on OpenWrt 22.03.5 software and Telit-Cinterion Cellular module hardware.

Internet connectivity is achieved using the well known Linux pppd or "dial-up" *99# method.

See related articles:

https://iot-developer.thalesgroup.com/tutorial/data-transfer-methods
https://iot-developer.thalesgroup.com/showcase/openwrt-raspberry-pi-netw...
https://iot-developer.thalesgroup.com/showcase/openwrt-raspberry-pi-netw...
https://iot-developer.thalesgroup.com/showcase/openwrt-raspberry-pi-netw...
https://iot-developer.thalesgroup.com/showcase/openwrt-raspberry-pi-netw...