Description in English:
AC1200 Wireless Dual Band PCI-E Adapter 
The netis WF2166 is designed to connect a desktop computer to a wireless network and access high-speed Internet connection. It's compatible with 802.11a/b/g/n/ac devices and provides the wireless transfer speed up to 2.4GHz 300Mbps or 5GHz 867Mbps, offering a better performance on online gaming, HD video streaming, and VoIP phone calling. With the 802.11n MIMO and 802.11ac technology, it ensures a strong and stable wireless connection and allows you to enjoy the wireless freedom around your home.