Dell Vostro 1700 Hspda 3g

hey guys please i've got a dell vostro 1700 and was just playin with it, and found out that behind the battery is a sim slot i read the manual and its says so. but now i no come know which sim works ,guessing HSPDA 3G will works according to other users abroad, but na their network the give them that service any guy know if glo 3G supports HSPDA abeg.

also any other cheap internet connection can i afford my system doesn't accept the full wireless card they call it the half slot card and no carrier in nigeria is updated i really have to get hooked up seriously and shid be cheap and through USB abeg i be stud also i no want fixed lines.wireless or handheld or USB connection