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| Price | Check Prices | Check Prices | $299.99 | $29.99 | $179.99 to $599.99 |
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| Release date | October 19, 2009 | June 28, 2009 | October 11, 2009 | ||
| The Bottom Line | The S66 packs a wealth of multimedia and communications features into a typically slick-looking Siemens package. | The Siemens SX66 is a decent smart phone for users who like the form factor and need world-roaming capabilities, but we were less than pleased with Cingular's service. | Delivering an improved design and updated operating system, the HTC Tilt2 is a worthy upgrade and offers AT&T's business customers a powerful smartphone. | The Motorola Karma QA1 belies its cute appearance with high-end features that put it above just an ordinary messaging phone. | While it could use a boost in the performance department, the HTC Hero is the most feature-packed Google Android device to date, bringing some notable improvements and a highly customizable interface. |
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| Features | |||||
| Cellular technology | GSM | GSM | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | CDMA2000 1X |
| Weight | 3.5 oz | 7.4 oz | 6.3 oz | 5 oz | Info unavailable |
| Talk time | Up to 300 min | Up to 240 min | 450 min | Up to 312 min | 250 min |
| Wireless Interface | Bluetooth | Bluetooth | IEEE 802.11b IEEE 802.11g Bluetooth 2.0 EDR | Bluetooth | IEEE 802.11b IEEE 802.11g Bluetooth 2.1 EDR |
| Service Provider | AT&T | AT&T | AT&T | AT&T | Sprint Nextel |
| Band / mode | GSM 850/1800/1900 (Tri-Band) | GSM 850/900/1800/1900; GPRS | WCDMA (UMTS) / GSM 850/900/1800/1900 | WCDMA (UMTS) / GSM 850/900/1800/1900 | CDMA2000 1X 1900/800 |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices |
Visit the manufacturer's or carrier's Web site to purchase this product. |
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