I have the Garmin RV 760LMT $399. The resolution could be a little better, but it does the job. What we have noticed is that in the RV mode, if it doesn't know what the height and weight restrictions are on the road, it will route you around, even though there is nothing wrong with that road. I find sometimes I have to switch to automobile just to get it to send me into the rural areas that it is not familiar with. Hopefull the data will improve.
It does have phone link that gives you weather info on the screen from your phone, traffic info (lifetime), camping info such as closest park with full hookups, 50A (very helpful) and the screen is large, just right for me. I also use it as a speakerphone via bluetooth.
