The WiModem is a wireless modem that allows you to connect your Commodore 8 bit computer to the internet using standard Hayes compatible commands. You simply plug it into your computers user port, and BBSing around the world has now become a reality.
This case is designed to work with the WiModem model that has the OLED display attached.
The WiModem can be purchased here: https://www.cbmstuff.com/proddetail.php?prod=WiModemOLED