i have both att and verizon air cards and it depends where you are if you will get 1 or both of them to have service...the verizon is by far the fasts of the 2 but the att works in more places then the verizon does down here in this area where i work...i also have a booster in my truck...i can remember the brand of my booster but its a dual band and works well with both networks i have...there are alot of good ones to select from just make shure its a dual band.
'13 silverado LT...stock
'11 lt 4x4 z71..tvs1900
'01 gmc twins 6.0 jakes 400 ladder bars w/ coilovers tuned by nelson performance