fenvi 300Mbps Realtek Rtl8192Cu Chipset 2T2R Mini Wifi Usb Adapter/ Wireless Lan Card/ Wifi Dongle Interface USB 2.0 Standards IEEE 802.11b/g/n Data Transfer Rates 300Mbps Wireless Range Indoor/Outdoor(100/300Meters) This item is with RTL8192CU Chipset, 2T2R, both downlink and uplink can be up to 300Mbps.