Originally Posted by spp
This may be one of those tiny differences between the RA3 and RA4 radios.
I have on order 2014 RAM 1500 Laramie Longhorn, my understanding it come with 8.4AN,.. what is RA3 and RA4 ?.. is it the software ? and would mine come with RA3 or RA4 what ever that is ? anyone has info on this ?