Sony is releasing 4 nav-u PNDs. The NV-U94T is top of the line with a photo viewer that, when a Memory Stick is put into its slot, can display images. With stereo Bluetooth and audio/video player, it lists for $399.99. The mid-sized NV-U84T with a 4.8-inch screen and NV-U74T (4.3-in frame) carry a price of $349.99 each. The compact NV-U44T has a 3.5-inch frame and is a more affordable $249.99. All 4 satellite signal receiving GPS devices feature gesture command with one touch and Position Plus hardware to help prevent false positions.
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