Laptop add-in card slots?

Lonyo

Lifer
Aug 10, 2002
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I have a Dell Latitude from a few years back (P3 800).
It has Cardbus slots (2).
Are these the same as PCMCIA slots, is there only one type of slot for laptops?
Just want to make sure I don't buy a wireless add-in card that won't work!

This is the wireless card I'm looking at