EDIMAX EW-7711MAC AC450 Nano USB Wi-Fi Adapter for MacBook Upgrade to 11AC, Support Mac OSX 10.7~10.11 (5Ghz Only) Wireless Data Rates: Up to 433Mbps Frequency Band: 5.150 - 5.825GHz (subject to local regulations) Standards: 5GHz: IEEE 802.11ac (Draft), 802.11a, 802.11n Security: WEP 64/128-bit, WPA, WPA2, 802.1x LEDs: 1 x Link/Activity LED Features: 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 Wireless connectivity on 5GHz band reducing wireless interference Maximum Wi-Fi speeds of 433Mbps (5GHz) Features WEP64/128-bit, WPA, WPA2, 802.11x encryption Features easy setup wizard Supports Mac OS 10.6~10.9 and Windows XP/Vista/7/8 /8.1 Dimensions: 0.26 x 0.67 x 0.75 (H x W x D) Weight: 0.01lb