Finally a step in the right direction for Car Audio
I have been tracking Asteroid smart for about a year and finally pulled the trigger and am glad i did. The screen on this unit is simply gorgeous! It is fluid and acts just like a typical phone nowadays. The speed of the interface is also super fast. Nothing has to load or tap and wait. It just works. The connectivity is awesome as well. Everything works with USB today and so why not have it in the unit.
Extensive customization options
The Montana series has some great features a larger and somewhat brighter touchscreen that can rotate between portrait and landscape orientations, an interface that makes it much easier to access settings and switch functions, and a dashboard that can slide out of the way to give you a full screen map view. The ability, at additional cost, to set it up for a nuvi-like highway routing experience is another big plus. I love not having to send trailhead waypoints to another unit.
Works well in an automobile and on the trails
The Garmin Montana 650 is a high-end multi-use GPS unit similar to the Garmin Montana 600. The sole improvement that the Montana 650 offers over the 600 is its inbuilt 5 megapixel camera. Otherwise, the two GPS units sport the same features, including: a 4" sunlight-readable touchscreen display, a dual battery system and wireless waypoint sharing with other compatible Garmin GPS units.
Built-in waterproof camera
Overall, the Garmin Montana fulfills its promise as a true, rugged and durable, multi-purpose GPS. It is nice to have one unit all set up for a big trip, with one set of charging cables and mounts to serve all nav functions, plus assurance that you'll have the battery power (with spare AAs) to go the full distance. Its construction truly is rugged and waterproof.
Dual frequency split-screen allows for both wide and detailed coverage
The Lowrance Elite-5 DSI is a GPS enabled fishfinder with down scan sonar imaging that was revealed at the July 2010 ICAST show where it received Best Electronics award. It features a five inch 480 x 480 SolarMax display with 256 colors for clear photographic style images of the river bed and it also distinguishes between lower and upper Thermoclines or temperature layers in the water where fish can be found.
8 hour long battery life
If you've been looking for a single GPS solution for the car, hiking, bicycle, and possibly boat, the nuvi 500 is the best option to date. The nuvi 500 has a suggested retail price of $499, and will be available for purchase in Q3 2008. A scooter mount is also available as an optional accessory.
Short battery life, need to use plug-in power which makes unclipping slightly trickier
The aera 500 is the entry-level model in Garmin's higher-end aera line of GPS receivers for pilots and drivers. The touch-screen device offers navigation modes for both flight and automotive vehicles. The aera 500 features a 4.3" widescreen display, and is preloaded with road and topographical maps and databases of private airports and points of interest.
HD radio tuner built-in standard
The JVC KW-NT3HDT is a high-end GPS/AV navigation system and media center designed to be an all-in-one hands free media device for automobiles. Besides its extensive GPS navigation features (pre-installed map coverage, voice guidance, text-to-speech, 100 favourite destinations, last 50 destinations, and more), the KW-NT3HDT is equipped with built-in HD radio, DVD, CD, USB and SD card support.
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Reviews and Ratings for 500 to 800 $ Prices GPS Devices from ReviewGist