Features: Reliable Performance. Improve the internet speed of laptops, and enable to link to 5G. For desktop PC, no messy network cables, to enable WiFi access on desktop PC, and for office use. 1300M Dual Frequency Receive & Transmit. 2.4/ dual frequency deliver over-all speed up to 1300M, and 2.4G is for long distance transmitting, for multiple users, for smooth video playing. Dual Modes. WiFi signal receive mode allows the laptop and desktop to connect to the WiFi more smoothly and enables the desktop to access the Internet without cables. WiFi signal transmit mode transmits WiFi signal from a laptop or desktop, then the other mobile phones and devices can connect to the Internet via wireless. Built-in Antenna. Built-in receive and transmit antenna, ensures stable and strong WiFi signal. Multivariate Encryption to password cracking. WiFi cracking not only slows down the Internet speed, but also causes issues of bank accounts and payments. USB3.0. Upgraded USB 3.0 delivers transmission rate up to 5Gbps and compatible downward with USB2.0 and USB 1.1. Two-way Data Transmission Mode USB3.0 adopts two-way data transmission mode to save your time instead of USB 2.0 half-duplex mode, which is more energy-saving. Mini Size & Stylish Mini size and fashionable style, easy and convenient to use. Wide Compatibility. Compatible for mainstream OS, for Windows XP, 7, 8/8.1, 10 and 10.9-10.14. Model: CF-812AC Interface Type: USB3.0 Frequency: 2.4GHz + Transmission Rate: 1300Mbps Standards: IEEE 802.11a/b/g/n/ac Color: Black Antenna: Built-in 2dBi TX Power: 18dBm Supported OS: for Windows XP/7/8/8.1/ 10/ 10.9-10.14 Item Size: 38.5 x 17 x 8.5mm / 1.5 x 0.7 x 0.3inches Package Weight: 30g / 1.1oz Package Size: 14.5 x 10.5cm / 5.7 x 4.1inches Package Include: 1 x WiFi Adapter 1 x Driver