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Yealink WF40 Wi-Fi USB Dongle



The Yealink WF40 Wi-Fi USB Dongle is a compact, low-power device that allows for the seamless integration of IP phones into wireless networks. This dynamic plug-and-play style USB device is an ideal office networking solution for companies - particularly smaller organizations - seeking affordable, convenient, and reliable high-speed wireless connectivity.


The WF40 is compatible with the Yealink IP phones:

  • SIP-T27G / T29G / T46G / T48G / T41S / T42S / T46S / T48S / T52S / T54S
  • For T48G: upgrade to the version of or higher
  • For T29G/T46G/T46S/T48S: upgrade to version 81 or higher
  • For T27G/T41S/T42S: upgrade to the version of x.81.0.110 or higher


  • Reliable Connection
  • Ease-of-use
  • Plug and Play
  • High Transmission Rate
  • Lower Power Consumption
  • Specifications
  • Network Standard: IEEE802.11b/g/n