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Phone Ericsson T66 Motorola Rival A455 Audiovox PPC 5050 (HTC Falcon) Palm Treo 650 (CDMA)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 2.2" diag.
4 : 3
? ?
Display Resolution & Type ? 176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery ? 940 mAh 1,500 mAh ?
Processor ? ? ? 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) - QVGA (320 x 240)
Front Camera - - - -
Weight 2.08 oz
(59g)
4.48 oz
(127g)
6.2 oz
(176g)
6.3 oz
(179g)
Dimensions 3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 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)
Form Factor Slab Slide Slab Slab
Platform / OS (proprietary) (proprietary) Windows Mobile Professional Palm OS
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology - EVDO r0 1xRTT 1xRTT
Features 
GPS / Location - Yes n/a n/a
Accessibility
Hearing Aid Compatible - Yes - -
Multiple Languages Yes Yes n/a n/a
TTY/TDD (Digital) - Yes - -
Alerts
Ringer Profiles Yes - - -
Connectivity
Bluetooth - Yes - Yes
Infrared (IR) - - Yes Yes
USB - Yes
Micro-USB
- -
Contacts
Picture ID - Yes n/a n/a
Ringer ID - Yes n/a n/a
Voice Dialing - Yes n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a
Custom Ringtones Yes Yes n/a n/a
Real-Music Ringers - Yes n/a n/a
Data & Network
Data Tethering - Yes n/a n/a
WAP / Web Browser Yes Yes n/a n/a
Input
Predictive Text Entry Yes - n/a n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - Yes
Touch Screen - Yes Yes Yes
Memory
Memory Card Slot - Yes Yes Yes
Messaging
Email Client - Yes n/a n/a
EMS / Picture Messaging Yes Yes n/a n/a
Instant Messaging - Yes n/a n/a
MMS - Yes n/a n/a
Text Messaging Templates Yes Yes n/a n/a
Music
Headphone Jack (3.5mm) - Yes - -
Music Player - Yes n/a n/a
Productivity
Alarm Yes Yes n/a n/a
Calculator Yes Yes n/a n/a
Calendar Yes Yes n/a n/a
To-Do List Yes - n/a n/a
Voice Memo - Yes n/a n/a
Software
BREW - Yes n/a n/a
Games Yes Yes n/a n/a
Voice
Headset Jack (2.5 mm) - - n/a n/a
Speaker Phone - Yes Yes Yes
  Ericsson T66 Motorola Rival A455 Audiovox PPC 5050 (HTC Falcon) Palm Treo 650 (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson T66 Motorola Rival A455 Audiovox PPC 5050 (HTC Falcon) Palm Treo 650 (CDMA)

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