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Phone Ericsson T28 World Palm Treo Pro (CDMA) LG TP 5250 Palm Treo 650 (CDMA)
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)
? 320 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 500 mAh 1,500 mAh ? ?
Processor ? 528 MHz Qualcomm MSM7501a ? 312 MHz Intel XScale PXA270
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - 2 megapixel - Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture - ? - QVGA (320 x 240)
Front Camera - - - -
Weight 3.14 oz
(89g)
4.69 oz
(133g)
3.5 oz
(99g)
6.3 oz
(179g)
Dimensions 3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
4.49" x 2.36" x 0.53"
(114 x 60 x 13.5 mm)
3.3" x 1.8" x 0.98"
(84 x 46 x 24.9 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
Form Factor Flip Slab Clamshell Slab
Platform / OS (proprietary) Windows Mobile Professional (proprietary) Palm OS
Network Bands

GSM: 900, 1900

CDMA: 850, 1900

CDMA: 1900

AMPS: 850

CDMA: 850, 1900

Data Technology - EVDO rA - 1xRTT
Features 
GPS / Location - n/a - n/a
Accessibility
Adjustable Text Size - n/a - n/a
Hearing Aid Compatible - Yes - -
Multiple Languages - n/a Yes n/a
TTY/TDD (Digital) - Yes - -
Alerts
Extra Display - - Yes -
Ringer Profiles Yes - - -
Connectivity
Bluetooth - Yes
Classic Audio
- Yes
Classic Audio
Infrared (IR) - Yes - Yes
USB - Yes
Micro-USB
- -
Wi-Fi - Yes
802.11 b,g
- -
Contacts
Picture ID - n/a - n/a
Ringer ID - n/a - n/a
Voice Dialing Yes n/a Yes n/a
Customization
Custom Graphics - n/a Yes n/a
Custom Ringtones Yes n/a Yes n/a
Real-Music Ringers - n/a - n/a
Data & Network
Data Tethering Yes n/a Yes n/a
WAP / Web Browser - n/a Yes n/a
Input
Predictive Text Entry - n/a Yes n/a
Side Keys Yes Yes Yes Yes
Stylus - Yes - -
Text Keyboard, Hardware - Yes - Yes
Touch Screen - Yes - Yes
Memory
Memory Card Slot - Yes - Yes
Messaging
Email Client - n/a - n/a
Instant Messaging - n/a - n/a
MMS - n/a - n/a
Text Messaging Templates - n/a - n/a
Music
Headphone Jack (3.5mm) - Yes - -
Music Player - n/a - n/a
Productivity
Alarm Yes n/a - n/a
Calculator Yes n/a Yes n/a
Calendar - n/a Yes n/a
To-Do List - n/a - n/a
Voice Memo - n/a Yes n/a
Software
Games Yes n/a Yes n/a
Voice
Headset Jack (2.5 mm) - n/a Yes n/a
Speaker Phone - Yes - Yes
  * Some versions only
  Ericsson T28 World Palm Treo Pro (CDMA) LG TP 5250 Palm Treo 650 (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson T28 World Palm Treo Pro (CDMA) LG TP 5250 Palm Treo 650 (CDMA)

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