You will need a satellite dish and lnb to be able to use this to view satellite tv. So doubt whether it's practical to carry those around with your laptop
Try their website
kworld.
You could use a usb stick type tv decoder, they will pick up freeview channels, these are the only channels you will be able to get without a dish.
Freecom do a pcmcia card type one
Freecom.
But from what I've read you still really need a roof top aeriel to be able to tune the things in as the supplied ones are not great.