C4-RPI CM4 with IOs
In this section you will find all C4 IoT controllers with integrated digital and/or analog inputs and outputs. Many controller versions offer 2nd Ethernet interface or LTE modem.
![C4-RPI CM4 with IOs](https://www.resi.cc/prestashop/c/26-category_default/c4-rpi-cm4-with-ios.jpg)
In this section you will find all C4 IoT controllers with integrated digital and/or analog inputs and outputs. Many controller versions offer 2nd Ethernet interface or LTE modem.