Wi-Fi USB Dongle WF40 is a low-power, small form factor device that can be implemented within offices for seamlessly connecting their IP phones to available 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. Supported by a powerful transmission rate of 150 Mbps, the solution is able to quickly and reliably establish Wi-Fi connectivity so that users can optimally communicate, collaborate, access pertinent documents and resources and more. Wi-Fi USB Dongle WF40 is safe, reliable and easy deployment, which guarantees a flexible and optimal user experience. Even more, Wi-Fi USB Dongle WF40 is compliant with the IEEE802.11n and IEEE802.11b/g standards, maximizing reliability and throughput. Supports Yealink SIP-T27G, T29G, T46G, T48G, T41S, T42S, T46S, T48S, T52S, T54S – For T48G: upgrade to the version of 35.80.0.95 or higher – For T29G/T46G/T46S/T48S: upgrade to the version 81 or higher – For T27G/T41S/T42S: upgrade to the version of x.81.0.110 or higher