As long as the 201 doesn't get to wet they are fine. In conditions were its being blasted with water, which happened to my boom mounted units, they failed.

I have yet to find a waterproof gps, even velocitek speedpucks, which I use now, get a bit misty inside and require regular dissassembly and drying out.

On the plus side with the foretrex most of them come back to life after a drowning, one of them it took over a year to dry out enough to work, but it does.

Darryn
Mosquito
Bullet
1782