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| Phone | Cal-Comp EZ | Ericsson R278d | LG VX-1 / TM-520 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? | ? | ? |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
101 x 40 pixels | 128 x 104 pixels |
| Display Refresh | ? | ? | ? |
| Battery | 800 mAh | ? | 900 mAh |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | - |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | - | - |
| Front Camera | - | - | - |
| Weight |
2.47 oz (70g) |
9.28 oz (263g) |
3.8 oz (108g) |
| Dimensions |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
3.3" x 1.8" x 0.97" (84 x 46 x 24.6 mm) |
| Form Factor | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
TDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | 1xRTT | - | 1xRTT |
| Features | |||
| GPS / Location | Yes | - | - |
| Accessibility | |||
| Multiple Languages | Yes | Yes | Yes |
| TTY/TDD (Digital) | - | - | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Ringer Profiles | - | Yes | - |
| Connectivity | |||
| USB |
Yes Mini-USB |
- | - |
| Contacts | |||
| Voice Dialing | - | - | Yes * |
| Customization | |||
| Custom Ringtones | - | Yes | - |
| Data & Network | |||
| Data Tethering | - | Yes | Yes |
| WAP / Web Browser | - | Yes | Yes |
| Input | |||
| Predictive Text Entry | - | Yes | Yes |
| Side Keys | - | Yes | Yes |
| Messaging | |||
| Text Messaging Templates | Yes | - | Yes |
| Productivity | |||
| Alarm | Yes | Yes | Yes |
| Calculator | Yes | - | Yes |
| Calendar | Yes | - | Yes |
| To-Do List | Yes | - | - |
| Voice Memo | Yes * | - | Yes * |
| Software | |||
| Games | - | - | Yes |
| Voice | |||
| Headset Jack (2.5 mm) | Yes | - | Yes |
| * Some versions only | |||
| Cal-Comp EZ | Ericsson R278d | LG VX-1 / TM-520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Cal-Comp EZ | Ericsson R278d | LG VX-1 / TM-520 |
