Poor performance with this dongle,  Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS] on lite 4.0.  On Lite 2.0 through 3.8, after  
git clone https://github.com/pvaret/rtl8192cu-fixes.git it worked flawlessy, still does on 16.04. On lite 4 it's a no go. It works, but maxes out around 10mb. iwconfig gives me this.Mode:Managed Frequency:2.412 GHz Access Point: 00:1D 1:33:F8:90 Bit Rate=7.2 Mb/s   Tx-Power=20 dBm Retry short limit:7   RTS thr=2347 B   Fragment thr:off Power Management:off Link Quality=64/70  Signal level=-46 dBm Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0 Tx excessive retries:0  Invalid misc:3164   Missed beacon:0
1:33:F8:90 Bit Rate=7.2 Mb/s   Tx-Power=20 dBm Retry short limit:7   RTS thr=2347 B   Fragment thr:off Power Management:off Link Quality=64/70  Signal level=-46 dBm Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0 Tx excessive retries:0  Invalid misc:3164   Missed beacon:0
	
	
	
	
	
git clone https://github.com/pvaret/rtl8192cu-fixes.git it worked flawlessy, still does on 16.04. On lite 4 it's a no go. It works, but maxes out around 10mb. iwconfig gives me this.Mode:Managed Frequency:2.412 GHz Access Point: 00:1D
 1:33:F8:90 Bit Rate=7.2 Mb/s   Tx-Power=20 dBm Retry short limit:7   RTS thr=2347 B   Fragment thr:off Power Management:off Link Quality=64/70  Signal level=-46 dBm Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0 Tx excessive retries:0  Invalid misc:3164   Missed beacon:0
1:33:F8:90 Bit Rate=7.2 Mb/s   Tx-Power=20 dBm Retry short limit:7   RTS thr=2347 B   Fragment thr:off Power Management:off Link Quality=64/70  Signal level=-46 dBm Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0 Tx excessive retries:0  Invalid misc:3164   Missed beacon:0
 
 

