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| Phone | Ericsson R520 | Ericsson T28 World | Ericsson T39 | LG TP 5250 | Palm Treo 700p |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? | ? | ? |
| Display Resolution & Type | ? | ? |
? LCD (Grayscale) |
? |
320 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | ? | 500 mAh | ? | ? | ? |
| Processor | ? | ? | ? | ? | 312 MHz Intel XScale |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | - | - | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | - | - | CIF (352 x 288) |
| Front Camera | - | - | - | - | - |
| Weight |
4.23 oz (120g) |
3.14 oz (89g) |
3.03 oz (86g) |
3.5 oz (99g) |
6.4 oz (181g) |
| Dimensions |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
3.9" x 2" x 0.6" (99 x 51 x 15.2 mm) |
3.78" x 1.97" x 0.71" (96 x 50 x 18 mm) |
3.3" x 1.8" x 0.98" (84 x 46 x 24.9 mm) |
4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm) |
| Form Factor | Slab | Flip | Flip | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | Palm OS |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 1900 AMPS: 850 |
CDMA: 850, 1900 |
| Data Technology | GPRS | - | GPRS | - | EVDO r0 |
| Features | |||||
| GPS / Location | - | - | - | - | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | - | - | - | - | Yes |
| Multiple Languages | Yes | - | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | - | - | - | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | Yes | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth |
Yes HSP, Sync, OPP, DUN |
- |
Yes HSP, DUN, OPP, Sync |
- |
Yes Classic Audio |
| Infrared (IR) | Yes | - | Yes | - | Yes |
| USB | - | - | - | - | Yes |
| Contacts | |||||
| Picture ID | - | - | - | - | n/a |
| Ringer ID | - | - | - | - | n/a |
| Voice Dialing | Yes | Yes | Yes | Yes | n/a |
| Customization | |||||
| Custom Graphics | - | - | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | - | - | - | n/a |
| Data & Network | |||||
| Data Tethering | Yes | Yes | Yes | Yes | n/a |
| External Antenna Jack | - | - | - | - | n/a |
| WAP / Web Browser | Yes | - | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | - | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | - | Yes |
| Touch Screen | - | - | - | - | Yes |
| Memory | |||||
| Memory Card Slot | - | - | - | - | Yes |
| Messaging | |||||
| Email Client | - | - | - | - | n/a |
| MMS | - | - | - | - | n/a |
| Text Messaging Templates | Yes | - | Yes | - | n/a |
| Music | |||||
| Music Player | - | - | - | - | n/a |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | - | n/a |
| Calculator | Yes | Yes | Yes | Yes | n/a |
| Calendar | Yes | - | Yes | Yes | n/a |
| To-Do List | - | - | - | - | n/a |
| Voice Memo | Yes | - | Yes | Yes | n/a |
| Software | |||||
| Games | Yes | Yes | Yes | Yes | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | - | - | - | Yes | n/a |
| Speaker Phone | Yes | - | - | - | Yes |
| Ericsson R520 | Ericsson T28 World | Ericsson T39 | LG TP 5250 | Palm Treo 700p | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R520 | Ericsson T28 World | Ericsson T39 | LG TP 5250 | Palm Treo 700p |
