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| Phone | Sony Ericsson T237 / T290a | Palm Treo 680 | Casio G'zOne Rock | Casio G'zOne Boulder |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
2.1" diag. 4 : 3 |
2" diag. 4 : 3 |
| Display Resolution & Type |
101 x 80 pixels LCD (STN) |
320 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~190 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | ? | 1,150 mAh | 810 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | Yes | 2 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | CIF (352 x 288) | ? | ? |
| Front Camera | - | - | - | - |
| Weight |
2.79 oz (79g) |
5.5 oz (156g) |
4.4 oz (125g) |
4.9 oz (139g) |
| Dimensions |
4" x 1.71" x 0.71" (102 x 43 x 18 mm) |
4.4" x 2.3" x 0.8" (112 x 58 x 20.3 mm) |
4.1" x 2" x 0.9" (104 x 51 x 22.9 mm) |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
| Form Factor | Slab | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | Palm OS | (proprietary) | (proprietary) |
| Network Bands |
GSM: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | GPRS | EDGE | EVDO rA | EVDO rA |
| Features | ||||
| Flashlight | - | - | Yes | Yes |
| GPS / Location | - | n/a | Yes | Yes |
| Ruggedized | - | - | Yes | Yes |
| Water-Resistant | - | - | Yes | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | Yes | Yes |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth |
- |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | Yes | - | - |
| USB | Yes | Yes | Yes | Yes |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | Yes | Yes |
| Voice Dialing | Yes | n/a | Yes | Yes |
| Customization | ||||
| Changeable Body Plates | - | - | - | Yes |
| Custom Graphics | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | Yes | - |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | Yes |
| External Antenna Jack | - | n/a | - | - |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - | Yes | - | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | Yes | - |
| EMS / Picture Messaging | Yes | n/a | - | Yes |
| Instant Messaging | - | n/a | Yes | - |
| MMS | Yes | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | Yes | Yes |
| Music | ||||
| Music Player | - | n/a | Yes | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes |
| To-Do List | - | n/a | - | - |
| Voice Memo | Yes | n/a | Yes | Yes |
| Software | ||||
| BREW | - | n/a | Yes | Yes |
| Games | Yes | n/a | Yes | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | Yes | - |
| Push-To-Talk | - | - | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Sony Ericsson T237 / T290a | Palm Treo 680 | Casio G'zOne Rock | Casio G'zOne Boulder | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson T237 / T290a | Palm Treo 680 | Casio G'zOne Rock | Casio G'zOne Boulder |
