Description
Yealink WF40 – Specifications
Overview
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Device type: USB Wi‑Fi dongle for Yealink IP phones
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Purpose: Adds wireless network capability to compatible Yealink IP phones
Network & Wireless Features
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Wi‑Fi standard: IEEE 802.11 b/g/n
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Maximum data rate: 150 Mbps
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Frequency band: 2.4 GHz
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Security support: WEP (64/128/152‑bit), WPA‑PSK, WPA2‑PSK
Physical / Connection
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Interface: USB 2.0
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Compact USB dongle form factor for desk phones
Compatibility
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Works with Wi‑Fi‑compatible Yealink SIP phones depending on firmware version
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Enables phones to connect to wireless networks instead of wired Ethernet
Use Cases
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Flexible office setups
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Remote desk positions or hot-desking
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Environments where wired Ethernet is difficult to install
