Does Pfsense support 3G modems?

[wlm2]

Does it support MinPci 3G modems? If so, what models?
Is there an option for making HA (WAN and 3G)?
Can Pfsense code be changed for my needs? if so, how?
Thank you,
matthew

[GruensFroeschli]

cough google cough
http://doc.pfsense.org/index.php/Known_Working_3G_Modems