Sandberg Mini Wifi Dongle 1300 Mbit/s

Interface: USB3.0 (backwards compatible with USB 2.0)
Supports MU-MIMO function
Supports Beamforming function
Complies with IEEE 802.11ac/a/b/g/n standards
Supports Dual Band
Operates simultaneously over 2.4GHz and 5GHz band
Speed up to 400Mbps on 2.4GHz
Speed up to 867Mbps on 5GHz
Supports 64/128-bit WEP, WPA/WPA2 and WPA-PSK/WPA2-PSK (TKIP/AES) encryption
Chipset: RTL8812CU 
Works with all existing network infrastructures
Mini size, easy-to-install, plug and play