the 11ac speedthe ew-7611ucb runs ultra-speed 802.11ac wi-fi ? almost three times faster than 802.11n. upgrade your laptop or pc to sport 802.11ac wi-fi to enjoy faster online video streaming and multiple data transfers.selectable dual-bandexperience better performance and selectable dual-band connectivity with ew-7611ucb. surf the internet and check emails on the longer-range 2.4ghz band, or use the high-speed 5ghz band for fast online gaming and youtube / netflix hd streaming.bluetooth 4.0providing the fastest data transmission rate with bluetooth 4.0, ew-7611ucb allows wireless communication with bluetooth-enabled computers, printers, mobile phones, headsets, speakers, keyboards, mice, and more. ew-7611ucb also comes with bluetooth low energy (ble) technology for longer battery life on your computer, tablet and other devices.