Yealink WF50 is a next-generation Wi-Fi USB Dongle, designed to allow users to select whether to connect to a 2.4GHz (150 Mbps) Wi-Fi network or a 5GHz (up to 433 Mbps) Wi-Fi network. With wireless connections transitting over the 5GHz band, users no longer need to worry about the interference from nearby wireless devices which may interfere with their wireless signal, guaranteeing high-quality connections perfect for establishing calls and HD\nvideo streaming.\nThis dynamic plug-and-play style USB device is equipped with WPA/WPA2 encryptions, providing your network with active defense against security threats. Besides, WF50 owns the ability to establish Wi-Fi connectivity easily, quickly, and reliably, so that users can optimally communicate, collaborate and more.\nYealink WF50 is compliant with IEEE 802.11a/b/g/n/ac standard, maximazing reliability and throughput.\n\n- Compatible with Yealink SIP-T27G/T41S/T42S/T46S/T48S IP Phone (Version 84)\n- Dual-Band Connectivity\n- High Transmission Rate\n- Interference Free\n- Reliable Connection\n- Easy to Use\n- Plug and Play