Edimax EW-7711MAC AC450 Nano USB Wi-Fi Adapter for MacBook Upgrade to 11AC for Faster Performance, Plug it and Forget it, Support Mac OSX 10.7~10.11 (5 Ghz ONLY) Nano, stylish and minimal design, it is perfectly fits your MacBook Complies with draft IEEE 802.11ac standard and backward compatible with wireless 802.11a/n standards Maximum Wi-Fi speeds of 433Mbps (5GHz) Support WEP64/128-bit, WPA, WPA2, Supports Mac OS 10.7~10.11