Sierra Wireless MC5725

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Sierra Wireless MC5725 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 BroadBand
  • Wireless WAN, Qualcomm chipset
Specific versions of this card may come pre-configured for a certain carrier (Verizon or Telus)


  • Chipset: Sierra Wireless MC5725
  • USB ID: 1199:0220
  • GPS
Sierra Wireless MC5725 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.
  • Option PN 43R9151 (MC5725)
  • FRU PN 42T0961 (MC5725)
  • FRU PN 42T0929 (MC5725 Verizon)
  • FRU PN 42T0897 (MC5725 Telus)

Linux WWAN support

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

Linux GPS support



ThinkPads this adapter may be found in