Features 1.[High Performance] 802.11AC 1200Mbps 2.4GHz 5.8GHz network adapter with for Realtek RTL8812U chip and USB3.0 interface, WiFi transmission is more energy efficient. 2.[Plug And Play] The dual band USB WiFi adapter is suitable for desktop PCs and other devices to connect, which can provide convenient and fast Internet access. 3.[Auto Detection Support] WiFi network adapter supports auto detection function and can automatically adjust the rate. Up to 300Mbps for 2.4G band and up to 867Mbps for 5G band. 4.[Standards Compliance] The USB WiFi network card follows IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1x, IEEE 802.11e, IEEE 802.11i, IEEE 802.11ac standards. 5.[Safe And Reliable] This network card supports WPA, WPA2 advanced security mechanism, TKIP, AES, WEP encryption, which can provide security for network connection. specificationItem Type: USB WiFi Adapter Material: ABS Product Chipset: For Realtek 8812U Network Mode (Frequency): Dual Band 2.4G with 5.8G Applicable System (OS): For Windows Vista XP 2000 7 8 10, for Linux, for OS X PackageList1 x USBWiFiAdapter 1 xCD ROM