Features 1.Supports 802.11ac Standard: This WiFi adapter is designed with an 802.11ac standard for superior wireless connectivity and is backwards compatible with 802.11b/g/n wireless devices. 2.High Speed Dual Band: With selectable dual frequency bands (2.4GHZ/300Mbps， 5.8GHZ/867Mbps)， you can enjoy high‑speed internet access without any lag. 3.Strong Anti Interference: It boasts a strong anti‑interference ability that ensures a smooth and stable connection even when surrounded by multiple electronic devices. 4.Compact and Portable: This compact adapter made with a micro‑appearance design is portable and easy to carry， perfect for on the go use. 5.Rotatable Double Antenna: It comes with a removable and rotatable external antenna which can effectively enhance the signal strength and receiving range. Specification Item Type: Wireless Network CardMaterial: PVCChip: 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 867MbpsPower 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; Package List 1 x Adapter1 x Disc1 x Manual Note Due to the lighting effects and shooting angles， there is a color difference in the product， please understand.Due to manual measurement， there is a tolerance in the product size.