Features: By using the CF-812AC USB3.0 WiFI adapter, you can upgrades your PC,laptop to work with the latestWiFi router for faster speed and extendedrange DualBand: Alternative 5.8G and2.4 Gconnections for TV shows, HDmovies, streaming, and online gaming to avoid wireless interference. Transmission rate up to 1300Mbps Can help your computer create a WiFi hotspots. Mini & portable design for easy carrying, it's convenient to use. Specifications: Item type: Wireless Networking Card Model: CF-812AC Color: Black Interface: USB3.0 Antenna standard: IEEE802.11a/b/g/n/ac Transmission rate: 1300Mbps Frequency band: 2.4/5.8G Size: approx 37.5x17x8.5mm/1.47x0.67x0.33in Frequency range: 2.412-2.472GHz,5.180-5.825GHz Security features: WPA-PSK/WPA2-PSK WPA/PA2 WEP Operating system support: for WindowsXP/7/8/8.1/10 (32bits, 64bits), Mac10.9-10.14 Package Includes: 1PC Wireless Networking Card 1PC DriveDisc 1PC Manual note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.