Nice. I have a 2010 Ranger with a Motorola CDM750. We are also running several others in the family, 2010 Rzr, 2011 Rzr, 2013 Ranger mid-size and a 2007 Yamaha Rhino. All of them have Motorola or Icom VHF radios in them. Having good communications on the trail really makes life easier.
We used UHF mobiles and portables for a while, on GMRS, and had good results. I was finally able to get everyone to get their amateur radio licenses and we moved to the 2 meter VHF band.
Half wave antennas perform well when mounted on the roll cage, although we have a few with 1/4 wave and one with a 5/8ths wave.
I wouldn't ever ride again without a radio. Many years ago when we were riding ATV's, I wiped out and broke my pelvis. I was at the back of the "pack" and without the radio I would have been stuck for quite a while. Having the radio allowed me to call for help and speed up the process quite a bit.
Not sure how it is in Iowa, but most of the places we ride in California and Nevada have zero cell phone coverage. It's easy for us to get spread out over several miles on the trails, and thus pretty easy to get lost. Good radios are a must.