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Phone Ericsson T28 World Palm Treo 650 (CDMA) Audiovox PPC 5050 (HTC Falcon) Kyocera K404
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? ? ?
Display Resolution & Type ? 320 x 320 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
104 x 90 pixels
LCD (STN)
Display Refresh ? ? ? ?
Battery 500 mAh ? 1,500 mAh 900 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)
6.3 oz
(179g)
6.2 oz
(176g)
3.52 oz
(100g)
Dimensions 3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
5.1" x 2.09" x 0.7"
(130 x 53 x 17.8 mm)
4.45" x 1.89" x 0.91"
(113 x 48 x 23.1 mm)
Form Factor Flip Slab Slab Slab
Platform / OS (proprietary) Palm OS Windows Mobile Professional (proprietary)
Network Bands

GSM: 900, 1900

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology - 1xRTT 1xRTT 1xRTT
Features 
Flashlight - - - Yes
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 -
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 -
WAP / Web Browser - n/a n/a -
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 Yes
Calculator Yes n/a n/a Yes
Calendar - n/a n/a Yes
To-Do List - n/a n/a -
Voice Memo - n/a n/a -
Software
Games Yes n/a n/a Yes *
Voice
Headset Jack (2.5 mm) - n/a n/a Yes
Speaker Phone - Yes Yes -
  * Some versions only
  Ericsson T28 World Palm Treo 650 (CDMA) Audiovox PPC 5050 (HTC Falcon) Kyocera K404
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson T28 World Palm Treo 650 (CDMA) Audiovox PPC 5050 (HTC Falcon) Kyocera K404

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