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| Phone | Cal-Comp EZ | Palm Treo 600 (CDMA) | Motorola i870 / i875 | Huawei M750 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
2.8" diag. 4 : 3 |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
160 x 160 pixels LCD (Color) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 800 mAh | ? | ? | 1,150 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | Yes | 1 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | ? | - |
| Front Camera | - | - | - | - |
| Weight |
2.47 oz (70g) |
6.2 oz (176g) |
4.5 oz (128g) |
3.92 oz (111g) |
| Dimensions |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm) |
3.46" x 1.91" x 1.04" (88 x 49 x 26.4 mm) |
4.21" x 2.25" x 0.59" (107 x 57 x 14.9 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Palm OS | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
iDEN: 800 |
CDMA: 850, 1700, 1900 |
| Data Technology | 1xRTT | 1xRTT | WiDEN | 1xRTT |
| Features | ||||
| GPS / Location | Yes | n/a | Yes | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | n/a | - | - |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| Infrared (IR) | - | Yes | - | - |
| USB |
Yes Mini-USB |
Yes | - | Yes |
| Contacts | ||||
| Picture ID | - | n/a | Yes | Yes |
| Ringer ID | - | n/a | Yes | Yes |
| Voice Dialing | - | n/a | Yes | - |
| Customization | ||||
| Custom Graphics | - | n/a | Yes | Yes |
| Custom Ringtones | - | n/a | Yes | Yes |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | - |
| WAP / Web Browser | - | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | - | n/a | Yes | - |
| Side Keys | - | Yes | Yes | Yes |
| Stylus | - | - | - | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - | Yes | - |
Yes Resistive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | n/a | - | Yes |
| Instant Messaging | - | n/a | - | Yes |
| MMS | - | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | n/a | Yes | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | - | Yes |
| Calculator | Yes | n/a | - | Yes |
| Calendar | Yes | n/a | Yes | Yes |
| To-Do List | Yes | n/a | - | - |
| Voice Memo | Yes * | n/a | Yes | Yes |
| Software | ||||
| BREW | - | n/a | - | Yes |
| Games | - | n/a | Yes | Yes |
| Java (J2ME) | - | n/a | Yes | - |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | n/a | Yes | - |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| Cal-Comp EZ | Palm Treo 600 (CDMA) | Motorola i870 / i875 | Huawei M750 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Cal-Comp EZ | Palm Treo 600 (CDMA) | Motorola i870 / i875 | Huawei M750 |
