This Knowledge Base article details the types of Mini PCI-E modems available and how to configure them for use.

This Knowledge Base article details how to get status information from the modem

This Knowledge Base article details how to configure and connect an 4G/LTE modem to the internet by using the QMI interface working in 802-3 mode

This Knowledge Base article details how to configure and connect an LTE modem to the internet by using the QMI interface working in Raw-IP mode

This article describes how to install and operate the Quectel quctel-cm LTE modem connection manager

This Knowledge Base article details how to deal with common modem problems and how to fix them.

This Knowledge Base article details how to fix the "error: couldn't start network: QMI protocol error (64): " error message from the qmi-network script in the stock version of the qmi-utils package in Raspbian Stretch.

This Knowledge Base article covers basic SMS sending/receiving using a simple Perl script

This Knowledge Base article describes some tips for troubleshooting SMS receiving

This Knowledge Base article details getting your Hologram IoT Global SIM working with the MyPi Integrator Board or Edge Gateway unit.

This Knowledge Base article details setup and configuration of the WhereverSIM IoT Global Roaming SIM with the Integrator Board or Edge Gateway unit.

This Knowledge Base article details how to configure the GPS interface included with the SIMCOM range of mPCI-E modems.

This section details how to configure the GPS interface included with the Sierria Wireless MCxxxxx range of mPCI-E modems

This Knowledge Base article details how to configure the GPS interface included with the QUECTEL range of mPCI-E modems

This Knowledge Base article gives a basic run through of how to make a Internet connection using a legacy PPP serial connection

This Knowledge Base article details how to configure a legacy Direct IP internet connection using a compatible 3G/4G modem.

This knowledgebase article details how to connect up and use a NimbeLink Skywire NL-SW-LTE-TC1NAG modem

This Knowledge Base article describes how to enable support for SIMCOM SIM7600 modem in Raspbian Linux Kernel 4.9.80.

This Knowledge Base article describes how to update the modem driver files Raspbian OS running Linux Kernel 4.4.50 to backported versions from Linux Kernel 4.9.x