80211n Usb Wireless Lan Card Driver Version 51220 Full ((better)) -

Realtek’s FTP historically had: RTL8192CU_8192CE_USB_linux_v3.4.4_4749.20120521.zip – but 51220 appears in drivers, e.g.: RTL8192cu_8192cu_Win8_Win8.1_51220.2015.0317.zip