Chip: Rtl8812buWireless Standard: IEEE802.11ac/a/n/g/bInterface: USB3.0Antenna: Detachable external 2DBi antennaTransmission distance: Indoor MAXIMUM: 100 meters (depending on the environment)Operating frequency: 2.412~2484GHz/5.15~5.825GHz (according to country area)Transmit power:802.11b (CCK) 11Mbps: 20+/-1dBm802.11g (OFDM) 54Mbps: 17+/-1dBm802.11n (OFDM) 150Mbps: 16+/-1dBm802.11ac (AC80) MCS9: 15+/-2dBmEVM:11b 11Mbps: -15db11g 54Mbps: -27db11ac MCS9: -30dbReceive sensitivity:802.11b: -76+/-1dBm; 802.11g: -65+/-1dBm802.11n (HT20), -70+/-1dBm; 802.11n (HT40), -65+/-1dBmAC80-MCS9: -55+/-1dBmWireless transmission rate: 11b: Max 11Mbps, 11g: Max 54Mbps, 11n: Maximum 300Mbps, AC: Max 867MbpsVoltage/Current Range: 5V DC5%V DC/220mA (MAX)Power consumption:Transceiver status: 220mA (max)TX state only: 220mA (max)RX state only: 180mA (max)Operating system: Compatible for windowsXP/for win7/for vista/for win8/for win10;Wireless security support for WPA/WPA2/WEP/802.1X/WMM; 11. Support 802.11ac standard Wi-Fi. 22. Backward compatible with 802.11b/g/n wireless devices. 33. High wireless transmission rate, dual-band optional (2.4GHZ/300Mbps, 5.8GHZ/867Mbps). 44. Support for WPA/WPA2/WEP/802.1X/WMM data encryption. 55. Compatible for Windows XP/for Vista/7/8/10 operating system. 66. Comes with Compatible for Windows, driver-free CD-ROM installation driver. 77. Has strong anti-interference ability. 88. Miniature appearance design, exquisite and compact. 99. External rotatable dual antenna.