Fitlet2 supports integrating either mini-PCIe or M.2 cellular modem. (of course, an external USB modem is also an option).

To use a cellular modem inside fitlet2, a FACET card is required.

  • FC-CEM for an M.2 modem. micro-SIM socket is in the FACET itself. The modem is inserted into the B-key M.2 socket.
    WiFi M.2 adapter is supported and can work in conjunction with the cellular modem.
    M.2 2280 SSD can be installed.



  • FC-PCI for a mini PCIe modem. micro-SIM socket is in the FACET itself. The modem is inserted into the mini PCIe socket.
    WiFi M.2 adapter is supported and can work in conjunction with the cellular modem.
    M.2 2280 SSD can be installed.
    • FPCI-Kit is similar to FCEM-Kit. Only difference is connector 1 (M.2 B-Key replaced by mini PCIe)


The Fitlet2 can support different Side Pannels:


WIFI-W0:

  • 1x Side panel for 2 Antennas and Kensington lock.
  • 2x dual-band antennas
  • 2x MHF4 to RP-SMA cables (for new M.2 Modems and M.2 WiFi modules).
    • can be connected to both connectors on WIFI/BT module.
    • can be connected to connectors on M.2 Modems

CELL-J0:

  • 1x Side panel for 1 Antenna
  • 1x Penta-band antenna (Photo above not representative)
  • 1x MHF4 to RP-SMA cable (for M.2 modem)
  • 1x U.FL to RP-SMA cable (for PCIe modem)
    • can be connected to only one connector of any Modem.