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| Price | $139.99 | $86.99 | $340.00 to $349.99 | $148.40 to $219.99 | $163.53 to $179.99 |
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| Release date | September 27, 2007 | ||||
| The Bottom Line | The sleek Mio DigiWalker C320 offers the navigation basics and solid performance at a wallet-friendly price, but you can get more bang for your buck with other systems. | With an improved display and the addition of text-to-speech functionality, the Mio DigiWalker C230 is a solid and affordable entry-level portable navigation system for GPS newbies. | The sleek Mio C520 is a good-value GPS device, packing in advanced navigation features, a large screen, and other extras for an affordable price. However, you can get a better user experience and smoother performance from competing systems. | As entry-level GPS navigators go, the Garmin Nuvi 255W is still one of the best choices available for anyone who wants speedy performance without breaking the bank. | Though we miss text-to-speech functionality, the TomTom One 125 is an easy-to-use, accurate, and affordable GPS for first-time buyers. |
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| Features | |||||
| Included GPS accessories | Info unavailable | Vehicle mount Car power adapter | USB cable Carrying case Charging cradle AC power adapter Car power adapter Windshield holder | Power cable Suction cup mount | USB cable Dashboard disc EasyPort mount Car power adapter |
| Navigation waypoints | Info unavailable | Info unavailable | Info unavailable | 1000 | Info unavailable |
| Audible assistance | Info unavailable | Navigation instructions Street name announcement | Warnings Navigation instructions | Navigation instructions Street name announcement | Navigation instructions |
| GPS PC connection | Info unavailable | Hi-Speed USB | USB | USB | USB |
| SBAS system | Info unavailable | Info unavailable | WAAS | Info unavailable | Info unavailable |
| GPS receiver | Info unavailable | 20 channel | 20 channel | Info unavailable | Info unavailable |
| Antenna | Info unavailable | Built-in | Built-in | Built-in | Built-in |
| Weight | Info unavailable | 5.1 oz | 6.7 oz | 6.1 oz | 6.1 oz |
| System features | Info unavailable | Built-in speaker Preinstalled POIs Optional external GPS antenna connection | Calculator Built-in speaker Built-in microphone Speed limit warning Hands-free calling via Bluetooth Optional external GPS antenna connection | Clock Calculator Custom POIs Garmin Lock Photo viewer Built-in speaker Currency converter Measurement converter 2D / 3D map perspective TMC (Traffic Message Channel) ready | Info unavailable |
| Destination | Automotive | Automotive | Automotive | Automotive | Automotive |
| Included GPS software | Info unavailable | Info unavailable | MioMap v3.3 | MapSource City Navigator North America NT | TomTom HOME |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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