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Phone Sharp Z-800 (Audiovox 7900) Ericsson R278d Kyocera 2135 Palm Treo 650 (GSM) Samsung Sidekick 4G
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? ? 3.5" diag.
5 : 3
Display Resolution & Type ?
LCD (Color)
101 x 40 pixels ? 320 x 320 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~267 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery ? ? 925 mAh ? ?
Processor ? ? ? 312 MHz Intel XScale PXA270 1 GHz Samsung Hummingbird Cortex A8
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - - Yes 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - CIF (352 x 288) WVGA / 480p
Front Camera - - - - Yes
Weight 4.25 oz
(120g)
9.28 oz
(263g)
4.7 oz
(133g)
6.3 oz
(179g)
5.7 oz
(162g)
Dimensions 3.6" x 2" x 1.1"
(91 x 51 x 27.9 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 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)
5" x 2.42" x 0.6"
(127 x 61 x 15.2 mm)
Form Factor Clamshell Slab Slab Slab Slide
Platform / OS (proprietary) (proprietary) (proprietary) Palm OS Android
Network Bands

CDMA: 850, 1900

AMPS: 850

TDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

AMPS: 850

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

Data Technology - - - EDGE HSPA+ 21
Features 
GPS / Location - - - 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
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes -
Mobile Hotspot - - - n/a n/a
USB - - - Yes Yes
Micro-USB
Wi-Fi - - - - Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes - - n/a n/a
Ringer ID Yes - - n/a n/a
Voice Dialing - - - n/a n/a
Customization
Changeable Body Plates - - Yes - -
Custom Graphics Yes - - n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers - - - n/a n/a
Data & Network
Data Tethering Yes Yes Yes n/a n/a
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes Yes n/a n/a
Side Keys Yes Yes - Yes 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 Yes - Yes n/a n/a
Music
Headphone Jack (3.5mm) - - - - Yes
Music Player - - - n/a n/a
Photo & Video
DLNA - - - - Yes
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator - - Yes n/a n/a
Calendar - - - n/a n/a
To-Do List - - - n/a n/a
Software
BREW Yes - - n/a n/a
Games Yes - Yes n/a n/a
Voice
Headset Jack (2.5 mm) Yes - Yes n/a n/a
Speaker Phone - - - Yes Yes
  * Some versions only
  Sharp Z-800 (Audiovox 7900) Ericsson R278d Kyocera 2135 Palm Treo 650 (GSM) Samsung Sidekick 4G
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Phone Sharp Z-800 (Audiovox 7900) Ericsson R278d Kyocera 2135 Palm Treo 650 (GSM) Samsung Sidekick 4G

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