DMX801 modem carrier module provides an interface for connecting a cellular modem to DMU801 data management unit. DMX801 supports standard mini Peripheral Component Interconnect express (mPCIe) card modems and low‑power LTE Cat 4 modem modules. DMX801 can be used as a SIM card carrier for any compatible 2FF (mini) card. It can also act as an interface for external modem using USB connection.