1300Mbps USB3.0 Wifi Adapter 802.11AC 2.4G/5GHz Dual Band Wireless Network Card For pc Laptop Desktop WiFi Antenna Wifi Receiver Product description CF-812AC is a 1300Mbps rate dual-band wireless network card, using USB3.0 interface for more efficient transmission, energy saving, environmental protection and low power consumption, using the new-generation 802.11ac/n/g/b/a technology, support 2.4GHz5.8GHz dual frequency optional, strong anti-interference ability, strong signal, wide coverage, suitable for office, home, dormitory, hotel, and other multi-scenario applications. Specification: Model : CF-812AC Interface Type: USB3.0 Chipset:RTL8812BU Chipset Antenna : Built-in 2dBi antenna Frequency range: 2.4GHz+5GHz Transmission Rate: 1300Mbps 11N:400Mbps, 11AC:867Mbps Standards: IEEE 802.11ac, 802.11a,802.11b, 802.11g, 802.11n Wireless frequency:2.412~2.484GHz,5.180~5.825Ghz; Size:37.5mm*17mm*8.5mm Transmit Power:18dBm Encryption: WEP Encryption, WPA-PSK, WPA2-PSK, WPA/WPA2 Support system : Windows 7 / 8 / 8.1 / 10 32 bits , 64 bits / 11 64 bits , MacOS 10.9~MacOS 10.15; Packing List With Retail Box 1* Mini Adapter 1* Installation Guide 1* Plastic Packing QA Q1. Does this adapter support TV/ TV Box? A1. Sorry, this device will only work when plugged into supported systems. Other devices such as TV, TV BOX, Printer, etc.which have USB ports, they dont have the necessary drivers to support this adapter. Q2. My PC/Laptop dont support CD driver, how do I install the driver? A2. Please kindly download the driver from COMFAST Official Website or contact Customer Service. Q3. Why i cant search the 5.8Ghz frequency? A3. Please check if your router has enabled dual frequency integration or modify the wireless channel for 5G signal. Q4. After the driver installation is completed,i can find the 2.4Ghz and 5.8Ghz signal,but i cant connect the 5Ghz signal? A4. First of all, what system is your computer? Then, what is the driver version of the network card? Be sure to download the corresponding drive. Q5. Does the CF-812AC WIFI adapter support soft AP function hotspot? A5. Yes,friend.CF-812AC can support transmit wifi signal and receive wifi signal. Q6. If we dont have the CD driver,where we can download the CD driver? A6.You can go to our official website to download it.