alfa adapter 802.11b/g AWUS036H slow internet connection

[khaliletkhyly]

hello everybody lately i hacked my neighbor wifi using desktop and alfa adapter 802.11b/g AWUS036H and backtrack 5. once i hacked it i test it in my laptop which is beside the desktop.
it works fine in my laptop samsung as well as mobile devices.
next day when i wanted to test the wifi in same desktop computer but using windows instead of backtrack5 it didn't work usually it wouldn't connect and if it does the internet very slow it takes one minute to download facebook page or whatever.
i'm wondering why it wouldn't connect to my desktop and work properly in laptop and mobile devices.
note i have access to the router if there any changes i could make it.
this is an image of the router control panel:

i really need to solve for this problem.
thanks for reading this

 

[bill001g]

Yes we will help you hack into a neighbor.........ya sure

Backtrack5 is extremely out of date but so is your nic card.

Enjoy your hacking while you can new things like Mimo prevent almost all wireless interception. You now must get 2 or more radio signals and be able to extract the data from multiple streams. Since mimo is a negotiated thing between the end station and the router and is dependent on the pathing between the devices it tends to be impossible to get a second radio to be able to extract the signals.

As soon as they get a new router you will be out of luck since most router come with WPA2 enabled and if they are smart they will disable the G support since it degrade 802.11n signals. Means you need to buy a new nic.

802.11g is extremely slow even when you are in the same house.

 

[khaliletkhyly]

Thank you bill for your interesting.
so there is no solution for this problem??
if i buy another wireless adapter for example or anything i could do