Yealink WF40 Wi-Fi USB Dongle

The Yealink WF40 is a low-power, plug-and-play Wi-Fi USB dongle designed to bring wireless network connectivity to compatible Yealink IP desk phones. Delivering transmission speeds up to 150 Mbps over 2.4 GHz Wi-Fi (802.11b/g/n), it allows flexible phone placement anywhere within wireless range without needing dedicated Ethernet drops.

Key Features & Benefits

• Plug-and-Play Integration: Connects directly into the USB 2.0 port of supported Yealink IP phones for instant wireless detection and simple setup.

• 150 Mbps Transmission Speed: Complies with IEEE 802.11b/g/n standards to deliver reliable, high-speed wireless connectivity for clear voice calls.

• Enterprise Security Standards: Supports 64/128/152-bit WEP, WPA-PSK, and WPA2-PSK encryption methods to protect business communications over wireless networks.

• Compact & Low Power: Ultra-small form factor draws minimal power while eliminating unsightly network cable runs across desks and floors.

Technical Specifications

• Interface: USB 2.0 (Type-A)

• Wi-Fi Standards: IEEE 802.11b/g/n

• Frequency Range: 2.4 GHz

• Transmission Speed: Up to 150 Mbps

• Security & Encryption: 64/128/152-bit WEP, WPA-PSK, WPA2-PSK

• Phone Compatibility: Compatible with Yealink SIP-T27G, T29G, T41S, T42S, T42U, T43U, T46G, T46S, T46U, T48G, T48S, T48U, T52S, T53, and T54S IP phones

• Dimensions: 26.9 mm x 18 mm x 8 mm

Best For & Intent

• Best For: Office desks without nearby Ethernet wall jacks, temporary workstations, retail counters, home offices, and VirtualPBX users seeking to add wireless connectivity to compatible Yealink IP phones.

• Not Ideal For: IP phones lacking a USB port, or crowded wireless environments requiring 5 GHz dual-band Wi-Fi support (consider the Yealink WF50 dongle instead).

Domestic shipping to the US only. Contact sales for non-US destinations.