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Phone Ericsson T28 World Kyocera 2135 Palm Treo 650 (CDMA) Nokia 9290 BlackBerry 6280
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type ? ? 320 x 320 pixels
LCD (TFT/TFD)
640 x 200 pixels
LCD (TFT/TFD)
?
Display Refresh ? ? ? ? ?
Battery 500 mAh 925 mAh ? 1,300 mAh ?
Processor ? ? 312 MHz Intel XScale PXA270 ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? 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)
4.7 oz
(133g)
6.3 oz
(179g)
8.6 oz
(244g)
4.8 oz
(136g)
Dimensions 3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
5.07" x 1.89" x 1.02"
(129 x 48 x 25.9 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
6.22" x 2.2" x 1.06"
(158 x 56 x 26.9 mm)
4.45" x 2.91" x 0.83"
(113 x 74 x 21.1 mm)
Form Factor Flip Slab Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) Palm OS (proprietary) BlackBerry OS
Network Bands

GSM: 900, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

GSM: 1900

GSM: 850, 1800, 1900

Data Technology - - 1xRTT - GPRS
Features 
GPS / Location - - n/a - n/a
Accessibility
Multiple Languages - Yes n/a Yes n/a
Alerts
Extra Display - - - Yes -
Ringer Profiles Yes - - 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
Customization
Changeable Body Plates - Yes - - -
Custom Graphics - - n/a - n/a
Custom Ringtones Yes Yes n/a - n/a
Data & Network
Data Tethering Yes Yes n/a Yes n/a
WAP / Web Browser - Yes n/a Yes n/a
Input
Predictive Text Entry - Yes n/a - n/a
Side Keys Yes - Yes - -
Text Keyboard, Hardware - - Yes Yes Yes
Touch Screen - - Yes - -
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client - - n/a - n/a
MMS - - n/a - n/a
Text Messaging Templates - Yes n/a Yes n/a
Music
Music Player - - n/a - n/a
Productivity
Alarm Yes Yes n/a Yes n/a
Calculator Yes Yes n/a Yes n/a
Calendar - - n/a Yes n/a
To-Do List - - n/a Yes n/a
Software
Games Yes Yes n/a Yes n/a
Java (J2ME) - - n/a Yes n/a
Voice
Headset Jack (2.5 mm) - Yes n/a - n/a
Speaker Phone - - Yes Yes -
  Ericsson T28 World Kyocera 2135 Palm Treo 650 (CDMA) Nokia 9290 BlackBerry 6280
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson T28 World Kyocera 2135 Palm Treo 650 (CDMA) Nokia 9290 BlackBerry 6280

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