I have some T420 laptop that need internet access.
I have found a slot behind the battery that should be for sim cards.
There is a white adapter right now.
Is it just to put in a sim card there?
beside simcard I think it also need a antenna of some kind.
If I remove cover to the memory slot at the buttom of the laptop there is a memory card and next to that, there is 2 connection cables but no card.
Is there need for a antenna card also?
The laptops have wireless card installed because the can use my home wireless internet.
or is more needed?
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