Comfast CF-912AC 1200Mbps USB Wifi Dual Band 802.11ac/a/b/g/n Wireless N 11AC 2.4G/5.8G WiFi Adapter 1200Mbps 11AC double frequency wireless network card 11AC double frequency wireless network,USB3.0 wireless adapter Standard IEEE802.11 ac/a/b/g/n standard Wireless mode Centralized control (Infrastructure) and Peer-To-Peer(Ad-Hoc) BPSK,QPSK,CKK,OFDM(BPSK,QPSK,16-QAM,64-OAM)