follow this link
http://192.168.0.1 log in using username:
admin and password:
changeme
from there click "advanced settings" under the three red buttons. Find "Connection" on the left hand side, and copy and paste all the information on that page into here.
to find out your wireless speed, click on the connection indicator in the system tray (bottom right of screen) right click your wireless connection (probably "virginmediaXXXXX" X's being numbers) and click status, on there should be a connection speed and signal strength