-All in One (専用機)
-PDA（Bluetooth), + GPS device(Bluetooth)+PDA software
-Mobile phone(Bluetooth) + GPS device(Bluetooth)+Mobile phone Software
TomTom Company web page
TomTom, portable GPS car navigation systems
TomTom Mobile version review
http://www.coolsmartphone.com/index.php?option=articles&task=viewarticle&artid=376
wayfinder
I suppose this service is not that famous as TomTom is.
Looks less nicer GUI according to the review page.
wayfinder homepage
http://www.wayfinder.com/index_en.php
wayfinder for mobile phone is on review
http://www.pocketgps.co.uk/wayfinder-p800.php
