Slow speeds when using D-Link DWA-140

Question

I've been trying to get my D-Link DWA-140(H/W working properly for quite some time. I've tried several guides including: D'Link Wireless DWA-140 speeds are crippled on 12.04 but I still have slow and unstable connection. What do I do?

I notice that compiling that file gave me rt5370sta but shouldn't it be RT3072?

Here is some more information: mattias@ubuntudator:~$ lsusb

Bus 001 Device 004: ID 07d1:3c0a D-Link System DWA-140 RangeBooster N Adapter(rev.B2) [Ralink RT3072]

lsmod | grep ^rt

Module                  Size  Used by
rt5370sta             805299  0
rt2800usb              22684  0 
rt2800lib              58925  1 rt2800usb
rt2x00usb              20762  1 rt2800usb
rt2x00lib              55301  3 rt2800usb,rt2800lib,rt2x00usb

crc_ccitt              12667  1 rt2800lib

sudo modprobe -rf rt5370sta No reaction

sudo modprobe -rf rt2800usb Disconnected

Answer 1

It seems you have to blacklist all your rt mods except the rt5370sta one.

sudo gedit /etc/modprobe.d/blacklist.conf

Add those lines:

blacklist rt2800usb
blacklist rt2800lib
blacklist rt2x00usb
blacklist rt2x00lib

Then reboot.

Check this guide for a new installation: http://www.konopolis.com/iniciativas/instalacion-de-d-link-wifi-usb-dwa-140-en-ubuntu-12-04-lts.html It's in spanish, but commands are well explained. I've followed it and my DWA-140/B3 is working great.

Regards.