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| Phone | HP iPAQ 510 Voice Messenger | AT&T Calypso | Siemens CT66 / C66 / C65 / C71 / C70 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
5.5" diag. 18 : 9 |
? |
| Display Resolution & Type |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
480 x 960 pixels (~195 ppi) LCD (TFT/TFD) |
130 x 130 pixels LCD (Color) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 1,100 mAh | 2,500 mAh | 600 mAh |
| Processor | 200 MHz TI OMAP 850 | 1.5 GHz MediaTek MT6739 | ? |
| RAM | ? | 1 GB | ? |
| Storage | ? raw hardware | 16 GB | ? raw hardware |
| Main Camera | 1 megapixel | 5 megapixel | Yes |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | QCIF (176 x 144) | 1080p HD | - |
| Front Camera | - | 5 megapixel | - |
| Weight |
3.6 oz (102g) |
6 oz (170g) |
3 oz (85g) |
| Dimensions |
4.21" x 1.91" x 0.64" (107 x 49 x 16.3 mm) |
5.91" x 2.87" x 0.39" (150 x 73 x 9.9 mm) |
4.1" x 1.8" x 0.7" (104 x 46 x 17.8 mm) |
| Form Factor | Slab | Slab | Slab |
| Platform / OS | Windows Mobile Standard | Android | (proprietary) |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 14, 30 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
| Data Technology | EDGE | LTE (Cat 4) | GPRS |
| Features | |||
| Flashlight | - | Yes | - |
| Accessibility | |||
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | - |
| Alerts | |||
| Ringer Profiles | Yes | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | - |
| Infrared (IR) | - | - | Yes |
| USB |
Yes Mini-USB |
Yes USB Type C |
Yes |
| Wi-Fi |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||
| Picture ID | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | - |
| Customization | |||
| Changeable Body Plates | - | - | Yes |
| Custom Graphics | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | - |
| Data & Network | |||
| WAP / Web Browser | n/a | n/a | Yes |
| Input | |||
| Predictive Text Entry | n/a | n/a | Yes |
| Side Keys | Yes | Yes | - |
| Touch Screen | - |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | Yes | - |
| Messaging | |||
| Email Client | n/a | n/a | - |
| EMS / Picture Messaging | n/a | n/a | Yes |
| MMS | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | n/a | n/a | - |
| Productivity | |||
| Alarm | n/a | n/a | Yes |
| Calculator | n/a | n/a | Yes |
| Calendar | n/a | n/a | Yes |
| To-Do List | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | Yes |
| Software | |||
| Games | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | Yes |
| Voice | |||
| Call Screening | - | - | Yes |
| HD Voice | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | n/a | - |
| Push-To-Talk | - | - | Yes * |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| HP iPAQ 510 Voice Messenger | AT&T Calypso | Siemens CT66 / C66 / C65 / C71 / C70 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | HP iPAQ 510 Voice Messenger | AT&T Calypso | Siemens CT66 / C66 / C65 / C71 / C70 |
