I purchased a Garmin nuviCam LMTHD for my Vegas. It has a large 6" screen and I have it sitting on the dash above the steering wheel. I have always been a big fan of Garmin products. My day use auto has the Garmin 349LMT. Yes, with the RV, I could use my iPhone. But I normally have my iPhone playing audiobooks. So I prefer a separate device for my GPS. I also like having the camera on the nuviCam constantly recording. Every night I can copy interesting drives to my laptop (e.g. the drive through the Yosemite Valley). The other advantage of the nuviCam is the lane departure warning feature; indispensable for a wide rig.
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