Running cords over your office can look unsightly and increase tripping hazards. This dongle lets you sync a VoIP phone to your wireless network, helping to minimize the number of cables needed for your day-to-day operations. Compatible with Yealink SIP-T27G, T29G, T46G, T48G, T46S, T48S, T52S and T54S phone systems. Simple way to sync your existing VoIP phone to your wireless network to help reduce the number of cords and cables needed in your office. Wireless-N connectivity offers fast speeds. Plug-and-play design fits into most USB 2.0 ports for easy use. WEP, WPA-PSK and WPA2-PSK security encryption help keep your calls secure. Backed by the manufacturer's 1-year limited warranty.