The Yealink WF40 Wi-Fi USB Dongle is a compact, low-power device designed to seamlessly connect your compatible Yealink IP deskphones to any 2.4 GHz wireless network. Supporting wireless standards IEEE 802.11b/g/n, it delivers high-speed transmission rates of up to 150 Mbps, enabling reliable and efficient wireless communication for office environments.

This plug-and-play USB 2.0 dongle offers a hassle-free installation process, ensuring convenient setup without additional drivers. It supports robust security protocols including WEP (64/128/152-bit), WPA-PSK, and WPA2-PSK to protect your network connections.

Compatible with a broad range of Yealink SIP phone models such as SIP-T27G, T29G, T46G, T48G, T41S, T42S, T46S, T48S, T52S, and T54S, the WF40 extends wireless connectivity capabilities to your existing hardware. Note that certain phone models require specific minimum firmware versions for compatibility.

Key advantages include low power consumption, stable connection, and a very small physical footprint (26.9mm x 18mm x 8mm), making it an ideal networking accessory for businesses seeking reliable and affordable wireless solutions for their VoIP telephony infrastructure.