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Phone Sanyo RL-4930 Ericsson T28 World Ericsson T66 Motorola ROKR E2 Siemens CF75
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type 128 x 112 pixels
LCD (STN)
? ? 240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
Display Refresh ? ? ? ? ?
Battery 1,700 mAh 500 mAh ? ? 600 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - - 1 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - ? -
Front Camera - - - - -
Weight 4.4 oz
(125g)
3.14 oz
(89g)
2.08 oz
(59g)
3.77 oz
(107g)
3.17 oz
(90g)
Dimensions 4.5" x 2" x 1"
(114 x 51 x 25.4 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4.17" x 1.95" x 0.71"
(106 x 50 x 18 mm)
3.43" x 1.73" x 1.26"
(87 x 44 x 32 mm)
Form Factor Slab Flip Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology 1xRTT - - EDGE EDGE
Features 
GPS / Location Yes - - - -
Ruggedized Yes - - - -
Accessibility
Multiple Languages Yes - Yes Yes Yes
TTY/TDD (Digital) Yes - - - -
Alerts
Extra Display - - - - Yes
Ringer Profiles - Yes Yes Yes -
Connectivity
Bluetooth - - - Yes
Classic Audio
-
Infrared (IR) - - - - Yes
USB Yes - - Yes Yes
Contacts
Picture ID Yes - - Yes -
Ringer ID Yes - - Yes -
Voice Dialing Yes Yes - Yes -
Customization
Custom Graphics Yes - Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes Yes
Data & Network
Data Tethering - Yes - Yes Yes
WAP / Web Browser Yes - Yes Yes Yes
Input
Predictive Text Entry Yes - Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Memory
Memory Card Slot - - - Yes -
Messaging
Email Client - - - Yes Yes
EMS / Picture Messaging - - Yes - Yes
MMS - - - Yes Yes
Text Messaging Templates - - Yes Yes Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - - Yes -
Music Player - - - Yes -
Productivity
Alarm Yes Yes Yes Yes Yes
Calculator - Yes Yes Yes Yes
Calendar Yes - Yes Yes Yes
To-Do List Yes - Yes Yes Yes
Voice Memo Yes - - Yes Yes
Software
Games Yes Yes Yes Yes Yes
Java (J2ME) Yes - - Yes Yes
Voice
Call Screening Yes - - - -
Push-To-Talk Yes - - - Yes
Speaker Phone Yes - - Yes Yes
  Sanyo RL-4930 Ericsson T28 World Ericsson T66 Motorola ROKR E2 Siemens CF75
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Phone Sanyo RL-4930 Ericsson T28 World Ericsson T66 Motorola ROKR E2 Siemens CF75

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