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Phone Sanyo Katana DLX Palm Treo 600 (CDMA) Samsung Messager R450 BlackBerry 7280
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? 2.1" diag.
4 : 3
?
Display Resolution & Type 240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
240 x 160 pixels
LCD (Color)
Display Refresh ? ? ? ?
Battery 920 mAh ? 960 mAh ?
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel Yes 1 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture QCIF (176 x 144) - - -
Front Camera - - - -
Weight 3.5 oz
(99g)
6.2 oz
(176g)
4.58 oz
(130g)
4.9 oz
(139g)
Dimensions 3.7" x 1.9" x 0.68"
(94 x 48 x 17.3 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
4.4" x 2" x 0.7"
(112 x 51 x 17.8 mm)
4.4" x 2.9" x 0.94"
(112 x 74 x 23.9 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) Palm OS (proprietary) BlackBerry OS
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1700, 1900

GSM: 850, 1800, 1900

Data Technology EVDO r0 1xRTT 1xRTT GPRS
Features 
GPS / Location Yes n/a Yes n/a
Accessibility
Adjustable Text Size Yes n/a - n/a
Hearing Aid Compatible Yes - Yes -
Multiple Languages Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
- Yes
Classic Audio
-
Infrared (IR) - Yes - -
USB Yes Yes Yes Yes
Contacts
Picture ID Yes n/a Yes n/a
Ringer ID Yes n/a Yes n/a
Voice Dialing Yes n/a Yes n/a
Customization
Custom Graphics Yes n/a Yes n/a
Custom Ringtones Yes n/a Yes n/a
Real-Music Ringers Yes n/a - n/a
Data & Network
Data Tethering Yes n/a - n/a
External Antenna Jack Yes n/a - n/a
WAP / Web Browser Yes n/a Yes n/a
Input
Predictive Text Entry Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes Yes
Touch Screen - Yes - -
Memory
Memory Card Slot Yes Yes Yes -
Messaging
Email Client - n/a - n/a
MMS - n/a Yes n/a
Text Messaging Templates Yes n/a Yes n/a
Music
Music Player Yes n/a Yes n/a
Productivity
Alarm Yes n/a Yes n/a
Calculator Yes n/a Yes n/a
Calendar Yes n/a Yes n/a
To-Do List Yes n/a - n/a
Voice Memo Yes n/a Yes n/a
Software
BREW - n/a Yes n/a
Games Yes n/a Yes n/a
Java (J2ME) Yes n/a - n/a
Voice
Call Screening Yes - - -
Headset Jack (2.5 mm) Yes n/a - n/a
Speaker Phone Yes Yes Yes -
  Sanyo Katana DLX Palm Treo 600 (CDMA) Samsung Messager R450 BlackBerry 7280
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sanyo Katana DLX Palm Treo 600 (CDMA) Samsung Messager R450 BlackBerry 7280

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