Changes
/* FC-CEM */
* M.2 sockets: M.2 Key-M: 2242/2260/2280 (for SATA SSD)
* M.2 Key-E: 2230 (usually used for WiFi & BT module)
* M.2 Key-B: 2230 - 3242 (usually used for Cell modem module)
* Micro-SIM card socket
**[https://fit-iot.com/files/mechanical/FACETS/FC-CEM/Mechanical/FC-CEM.DXF FC-PCI Mechanical - DXF]<br>
**[https://fit-iot.com/files/mechanical/FACETS/FC-CEM/Mechanical/FC-CEM.PDF FC-PCI Mechanical - PDF]
==FC-USB==
