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| Phone | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | Coolpad Quattro 4G | Audiovox PPC 5050 (HTC Falcon) | Nokia E75 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
? |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 1,490 mAh | 1,600 mAh | 1,500 mAh | 1,000 mAh |
| Processor | 400 MHz Intel XScale | ? | ? | 369 MHz ARM 11 |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | 512 MB | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 3 megapixel | - | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | VGA (640 x 480) | - | VGA (640 x 480) |
| Front Camera | - | Yes | - | - |
| Weight |
7.41 oz (210g) |
3.31 oz (94g) |
6.2 oz (176g) |
4.9 oz (139g) |
| Dimensions |
4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
5.1" x 2.09" x 0.7" (130 x 53 x 17.8 mm) |
4.4" x 1.97" x 0.57" (112 x 50 x 14.4 mm) |
| Platform / OS | Windows Mobile Professional | Android | Windows Mobile Professional | S60 (Symbian) |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 |
|
| Data Technology | GPRS | LTE (Cat 3) | 1xRTT | HSDPA 3.6 |
| Features | ||||
| Accessibility | ||||
| Hearing Aid Compatible | - | Yes | - | - |
| TTY/TDD (Digital) | - | Yes | - | - |
| Alerts | ||||
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes |
Yes Classic Audio |
- |
Yes Classic Audio |
| Infrared (IR) | Yes | - | Yes | - |
| USB | Yes | Yes | - |
Yes Micro-USB |
| Wi-Fi | Yes | Yes | - |
Yes 802.11 b,g |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | Yes |
| Touch Screen | Yes | Yes | Yes | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Voice | ||||
| Push-To-Talk | - | - | - | Yes * |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | Coolpad Quattro 4G | Audiovox PPC 5050 (HTC Falcon) | Nokia E75 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | Coolpad Quattro 4G | Audiovox PPC 5050 (HTC Falcon) | Nokia E75 |










