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Phone Ericsson R278d Samsung MM-A940 Samsung SPH-N200 HP iPAQ hw6510 / hw6515 Nokia N81
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? ? 2.4" diag.
4 : 3
Display Resolution & Type 101 x 40 pixels 176 x 220 pixels
LCD (TFT/TFD)
128 x 96 pixels 240 x 240 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery ? ? ? 1,200 mAh 1,050 mAh
Processor ? ? ? 312 MHz Intel XScale PXA272 369 MHz ARM 11
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 8 GB *
Main Camera - 2 megapixel - 1 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? - ? VGA (640 x 480)
Front Camera - - - - -
Weight 9.28 oz
(263g)
4.9 oz
(139g)
4.7 oz
(133g)
5.8 oz
(164g)
4.94 oz
(140g)
Dimensions 5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
3.68" x 1.83" x 1.01"
(93 x 46 x 25.7 mm)
4.28" x 2.31" x 0.91"
(109 x 59 x 23.1 mm)
4.65" x 2.8" x 0.71"
(118 x 71 x 18 mm)
4.02" x 1.97" x 0.7"
(102 x 50 x 17.8 mm)
Form Factor Slab Clamshell Flip Slab Slide
Platform / OS (proprietary) (proprietary) (proprietary) Windows Mobile Professional S60 (Symbian)
Network Bands

TDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

CDMA: 1900

AMPS: 850

GSM: 850, 900, 1800, 1900

WCDMA: 1

GSM: 850, 900, 1800, 1900

Data Technology - EVDO r0 - EDGE EDGE
Features 
GPS / Location - Yes - n/a n/a
Accessibility
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) - Yes - Yes -
Alerts
Extra Display - Yes - - -
Ringer Profiles Yes - - Yes Yes
Connectivity
Bluetooth - Yes
Classic Audio
- Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes -
USB - - - Yes Yes
Micro-USB
Wi-Fi - - - - Yes
802.11 b,g
Contacts
Picture ID - Yes - n/a n/a
Ringer ID - Yes Yes n/a n/a
Voice Dialing - Yes Yes n/a n/a
Customization
Custom Graphics - Yes - n/a n/a
Custom Ringtones 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 -
Touch Screen - - - Yes -
Memory
Memory Card Slot - Yes - Yes Yes *
Messaging
Email Client - - - n/a n/a
Instant Messaging - - - n/a n/a
MMS - - - n/a n/a
Text Messaging Templates - Yes - n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - - - Yes
Music Player - Yes - n/a n/a
Stereo Speakers - - - - Yes
Photo & Video
Video Calling - - - n/a n/a
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator - Yes Yes n/a n/a
Calendar - Yes Yes n/a n/a
To-Do List - Yes Yes n/a n/a
Voice Memo - Yes - n/a n/a
Software
Games - Yes - n/a n/a
Java (J2ME) - Yes - n/a n/a
Voice
Headset Jack (2.5 mm) - Yes Yes n/a n/a
Push-To-Talk - - - - Yes *
Speaker Phone - Yes - Yes Yes
  * Some versions only
  Ericsson R278d Samsung MM-A940 Samsung SPH-N200 HP iPAQ hw6510 / hw6515 Nokia N81
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Phone Ericsson R278d Samsung MM-A940 Samsung SPH-N200 HP iPAQ hw6510 / hw6515 Nokia N81

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