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| Phone | Ericsson R520 | Motorola Sidekick Slide | Siemens M75 | Alcatel 665 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
1.8" diag. 4 : 3 |
| Display Resolution & Type | ? |
320 x 240 pixels LCD (TFT/TFD) |
132 x 176 pixels LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | ? | 750 mAh | 650 mAh |
| Processor | ? | 225 MHz TI OMAP 850 | ? | ? |
| RAM | ? | ? | ? | 16 MB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 32 MB |
| Main Camera | - | 1 megapixel | 1 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | ? | QCIF (176 x 144) |
| Front Camera | - | - | - | - |
| Weight |
4.23 oz (120g) |
5.3 oz (150g) |
3.88 oz (110g) |
2.72 oz (77g) |
| Dimensions |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
4.65" x 2.44" x 0.69" (118 x 62 x 17.5 mm) |
4.35" x 2.03" x 0.82" (110 x 52 x 20.8 mm) |
3.78" x 1.89" x 0.66" (96 x 48 x 16.8 mm) |
| Form Factor | Slab | Slide | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 850, 1900 |
| Data Technology | GPRS | EDGE | GPRS | - |
| Features | ||||
| Ruggedized | - | - | Yes | - |
| Accessibility | ||||
| Adjustable Text Size | - | Yes | - | - |
| Hearing Aid Compatible | - | - | - | Yes |
| Multiple Languages | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | Yes | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth |
Yes HSP, Sync, OPP, DUN |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | Yes | - | Yes | - |
| USB | - | Yes | Yes |
Yes Micro-USB |
| Contacts | ||||
| Picture ID | - | Yes | Yes | Yes |
| Ringer ID | - | Yes | Yes | Yes |
| Voice Dialing | Yes | - | - | - |
| Customization | ||||
| Custom Graphics | - | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Real-Music Ringers | - | Yes | - | Yes |
| Data & Network | ||||
| Data Tethering | Yes | - | Yes | - |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | - | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | Yes | Yes | - |
| EMS / Picture Messaging | - | - | Yes | - |
| Instant Messaging | - | Yes | - | Yes |
| MMS | - | Yes | Yes | Yes |
| Text Messaging Templates | Yes | - | - | Yes |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | Yes | Yes | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | - | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | - | Yes | Yes | - |
| Voice Memo | Yes | - | Yes | Yes |
| Software | ||||
| Games | Yes | Yes | Yes | Yes |
| Java (J2ME) | - | Yes | Yes | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | - | Yes | - | - |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Ericsson R520 | Motorola Sidekick Slide | Siemens M75 | Alcatel 665 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R520 | Motorola Sidekick Slide | Siemens M75 | Alcatel 665 |
