TRiver 802.11 AC 1200Mbps 2.4G&5G Dual Band Concorent Wi-Fi Adapter; 2.4G 2T2R 300 Mbps + 5G 2T2R 867 Mbps USB 3.0 Wi-Fi Dongle For Mac Windows Linux etc 1200 (867+300)Mbps wireless speed with 802.11ac; Support 2.4GHz & 5GHz WLAN networks Dual Band connections for lag-free HD video streaming and gaming; Super Speed USB 3.0 port, backward compatible to USB 2.0 Complies with IEEE 802.11ac, IEEE 802.11n, IEEE 802.11g, IEEE 802.11b standards 20MHz & 40MHz & 80MHz bandwidth transmissio OFDM with BPSK, QPSK, 16QAM, 64QAM, 256QAMmodulation Supports Windows XP / Vista / 7 / 8/8.1, Linux, MAC