CF-31 WWAN BIOS Help | Page 2 | NotebookReview

Sierra Wireless Wwan Network Adapter

Adapter / March 1, 2022

Sierra Wireless MC5720 Broadband Module

This is a Sierra Wireless WWAN Adapter that is installed in a Mini-PCI Express slot. It is also known in Lenovo literature as

  • Verizon Wireless UNDP BroadBand
  • Qualcomm UNDP1 Wireless WAN card
  • Sierra Wireless 1xEV-DO Network Adapter


Specific versions of this card may come pre-configured for a certain carrier (Verizon)


  • Chipset: Sierra Wireless MC5720
  • USB ID: 1199:0218
Sierra Wireless MC5720 WWAN Adapter

Lenovo Partnumbers

Not all ThinkPads listed below can have this option installed, check if yours is WWAN upgradable first. Also installing the wrong card type in a ThinkPad that never officially supported it may give a Error 1804 on boot and refuse to continue until the card is removed. As such it is best to check the HMM (Hardware Maintenance Manual) for your ThinkPad first.

  • FRU PN 41W1177, 42T0863 (MC5720)

Linux support

Should be automatically detected by NetworkManager with any recent Linux distribution (Fedora 12, Ubuntu 9.10) and allow for easy configuration.

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