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Phone Ericsson T28 World Audiovox PPC 5050 (HTC Falcon) Palm Treo 650 (CDMA) Siemens CT56
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? ? ?
Display Resolution & Type ? 240 x 320 pixels
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
101 x 64 pixels
Display Refresh ? ? ? ?
Battery 500 mAh 1,500 mAh ? 700 mAh
Processor ? ? 312 MHz Intel XScale PXA270 ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - Yes -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - QVGA (320 x 240) -
Front Camera - - - -
Weight 3.14 oz
(89g)
6.2 oz
(176g)
6.3 oz
(179g)
2.96 oz
(84g)
Dimensions 3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
5.1" x 2.09" x 0.7"
(130 x 53 x 17.8 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
3.98" x 1.73" x 0.83"
(101 x 44 x 21.1 mm)
Form Factor Flip Slab Slab Slab
Platform / OS (proprietary) Windows Mobile Professional Palm OS (proprietary)
Network Bands

GSM: 900, 1900

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 850, 1900

Data Technology - 1xRTT 1xRTT GPRS
Features 
GPS / Location - n/a n/a Yes
Accessibility
Multiple Languages - n/a n/a Yes
TTY/TDD (Digital) - - - Yes
Alerts
Ringer Profiles Yes - - -
Connectivity
Bluetooth - - Yes
Classic Audio
-
Infrared (IR) - Yes Yes -
USB - - - Yes
Contacts
Picture ID - n/a n/a -
Voice Dialing Yes n/a n/a Yes
Customization
Changeable Body Plates - - - Yes
Custom Graphics - n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a Yes
WAP / Web Browser - n/a n/a Yes
Input
Predictive Text Entry - n/a n/a Yes
Side Keys Yes Yes Yes -
Text Keyboard, Hardware - - Yes -
Touch Screen - Yes Yes -
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 -
Music
Music Player - n/a n/a -
Productivity
Alarm Yes n/a n/a -
Calculator Yes n/a n/a -
Calendar - n/a n/a -
To-Do List - n/a n/a -
Voice Memo - n/a n/a -
Software
Games Yes n/a n/a -
Java (J2ME) - n/a n/a Yes
Voice
Headset Jack (2.5 mm) - n/a n/a -
Speaker Phone - Yes Yes Yes
  Ericsson T28 World Audiovox PPC 5050 (HTC Falcon) Palm Treo 650 (CDMA) Siemens CT56
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Phone Ericsson T28 World Audiovox PPC 5050 (HTC Falcon) Palm Treo 650 (CDMA) Siemens CT56

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