Yealink WF40 Wi-Fi USB Dongle (Refurbished)
The Yealink WF40 is a refurbished Wi-Fi USB dongle designed for compatible Yealink IP phones. It provides a simple way to connect your desk phone to a wireless network via 2.4GHz Wi-Fi, removing the need for Ethernet cabling. Professionally refurbished, fully tested, and supplied with a 12-month warranty.
£20.00 exc vat
Refurbished Yealink WF40 – Wi-Fi USB Dongle for Yealink IP Phones with 12-Month Warranty
UK-stocked, ready for next-day delivery
The Yealink WF40 is a compact Wi-Fi USB dongle that adds secure wireless connectivity to compatible Yealink IP phones. Supporting 2.4GHz (802.11b/g/n) networks, it allows your desk phone to connect to Wi-Fi without needing a wired Ethernet connection — ideal for flexible office layouts, hot desks, or temporary workspaces.
Installation is quick and seamless: simply insert the WF40 into your Yealink phone’s USB port, connect to your Wi-Fi network, and enjoy stable, high-quality VoIP communication. It’s an easy and cost-effective way to enable wireless operation across your Yealink fleet.
Professionally refurbished, tested, and supplied with a 12-month warranty – UK-stocked and available for next-day delivery.
Our thoughts
The Yealink WF40 offers a simple, reliable way to convert compatible Yealink phones to wireless connectivity. It’s a great solution for offices where cabling isn’t practical, and refurbished units are fully tested for performance and stability.
At a Glance
- Refurbished Yealink Wi-Fi USB dongle
- Connects Yealink phones to 2.4GHz Wi-Fi
- Supports IEEE 802.11b/g/n wireless standards
- Compact plug-and-play design
- Ideal for offices without Ethernet access
- 12-month warranty included
Key Features
- Compatible with Yealink SIP-T27G, T29G, T46G/S, T48G/S, and T53/T54/T57 models
- 2.4GHz Wi-Fi connection (802.11b/g/n)
- WPA/WPA2 encryption for secure communication
- USB 2.0 interface – plug-and-play setup
- Low power consumption
- Compact and lightweight design
- Professionally refurbished and tested
Condition Grades Explained
- Excellent: Minimal signs of use, fully tested and clean – ideal for front-office setups.
- Good: Light cosmetic wear, perfect for general office use.
- Fair: Visible cosmetic wear but fully functional – ideal for warehouse or workshop environments.
What’s Included
- Refurbished Yealink WF40 Wi-Fi USB Dongle
- 12-month warranty
- Secure, professional packaging
Our Refurbishment Process
- Full functionality and connectivity test
- Firmware update and reset
- Visual inspection and cleaning
- Final quality control check
- Professional and secure repackaging
Technical Specifications
| Wi-Fi Standard | IEEE 802.11b/g/n (2.4GHz only) |
| Interface | USB 2.0 |
| Security | WPA/WPA2, WPA-PSK/WPA2-PSK encryption |
| Compatibility | Yealink T27G, T29G, T46G/S, T48G/S, T53/T54/T57 |
| Operating System | Embedded within Yealink IP phones (no driver required) |
| Dimensions | 26mm × 16mm × 8mm |
| Warranty | 12 months (provided by us) |
Why Buy From Us?
- Fast same-day dispatch (Mon–Fri before 3 pm)
- 12-month no-quibble warranty
- Professionally refurbished and tested
- UK-stocked and ready for delivery
- Free next-day delivery included
Need Help?
Not sure if your Yealink phone supports the WF40 dongle? Message our team — we’ll confirm compatibility before you buy.
All our telecoms products are in stock at UK warehouses in Hampshire and Sussex, ready for free next-day delivery.