kuwfi usb wifi adapter 1200mbps lan dongle 2.4ghz 5.8ghz wireless-ac network card dual band antenna for desktop mac/liunx os/wi

kuwfi usb wifi adapter 1200mbps lan dongle 2.4ghz 5.8ghz wireless-ac network card dual band antenna for desktop mac/liunx os/windows7/8/10Please Watch the Video of Using: FEATURES Interface USB 3.0 Chipset Realtek 8812BU Antenna Type 1* 2dBi pcb antenna 1*5dBi sma antenna WIRELESS FEATURES Wireless Standards IEEE 802.11ac, IEEE 802.11a, IEEE 802.11n, IEEE 802.11g, IEEE 802.11b Frequency 2.412~2484GHz/5.15~5.825GHz Supports 802.11ac standard Compatible with 802.11b / g / n wireless devices Transmission rate, 2.4GHZ/300Mbps, 5GHZ/866Mbps Supports WPA / WPA2 / WEP / 802.1X / WMM encryption Operation system: Windows ME/98SE/2000/XP/Vista;Linux;MAC , Windows 10 Strong anti-interference ability Supports WPS button Signal Rate: 5.8GHz 11ac: Up to 867Mbps(dynamic) 11a: Up to 54Mbps(dynamic) 2.4GHz 11n: Up to 300Mbps(dynamic) 11g: Up to 54Mbps(dynamic) 11b: Up to 11Mbps(dynamic) Reception Sensitivity: 11a 6Mbps: -88dBm 11a 54Mbps: -71dBm 11ac HT20: -65dBm 11ac HT40: -60dBm 11ac HT80: -56dBm 11b 11Mbps: -90dBm 11g 54Mbps: -73dBm 11n HT20: -71dBm 11n HT40: -68dBm Transmit Power