Specifications: ModelAC1200Main chipRTL8812BUWireless standardIEEE802.11ac/a/n/g/bInterfaceUSB3.0Antenna2 * External 5dBi intelligent omnidirectional dual band antenna Transmission distanceIndoor Max: 100m (depending on the environment)Working frequency2.412-2.484GHz; 5.15-5.825Ghz (according to cou..