Ideal for classrooms that benefit from wireless screen sharing, the BenQ WD02AT Wireless Dongle is simple to use, just plug it into a BenQ display and use it to set up a Wi-Fi hotspot to attach Bluetooth devices such as a keyboard, mouse, and even speakers. The WD02AT connects to either the 2.4 GHz or 5 GHz band, supporting steady speeds of up to 1201 Mbps.