Are you saying it does not have a wireless adapter -- you can add one for very little cost -- either a USB or maybe a PCMCIA slot model.
But first it would probably help to describe the brand and model number of your laptop, having checked the manual to see if it does in fact have wireless (as most recent models come with it as standard).
Also state whether you have broadband and a wireless router. Otherwise are you thinking of using cellphone-type broadband ?
Your lack of detail has just produced more questions than answers, I'm afraid.