Hi Nahim,

Current UEFI protocols support only 802.11 WLANs (UEFI spec 2.8, section 
27).
I have no idea if anyone tried implementing such a feature in their UEFI FW.

Thanks,
Maciej

On 02-Dec-20 15:45, Nahim Souza via groups.io wrote:
> Hello,
>
> I would like to know if there is some specification, UEFI protocol or 
> drivers for communicating with WWAN.
>
> Could you please help me with this?
>
> Thank you!
>