Originally Posted by
zerbey
Here's the main issue I have with the single cup mount: I have the exact same style of suction cup for my GPS. The thing holds pretty well, but it cold weather it will sometimes pop off. That's no big deal for my GPS, it sits as low on the windshield as I can get it so just falls about an inch onto my dashboard.
My RD on the other hand is sitting all the way up near my RVM. It would fall about a foot and a half, which is unacceptable. With two suction cups, I've yet to have them both fail at the same time so it'll just dangle off one cup for a while until I can fix it. There's no way would I trust $300 worth of equipment to a single suction cup.
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