As said before elsewhere yes you can but don't expect warranty coverage when purchased overseas. Hopefully nothing should go wrong with it cause all they are is sealed boxes with a few preprogrammed chips inside and they do as it says on the tin, however one spanish member had a problem messing about with the maps and managed to
"manicmic" the pcIII firmware, luckily he bought it from a local dealer and was able to send it back for reprogramming.
If that had happened to a unit bought from the USA you know where he could have sticked his pcIII