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Phone BlackBerry 6510 Siemens CF75 Ericsson T39 Kyocera 2135 Nokia N81
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size ? ? ? ? 2.4" diag.
4 : 3
Display Resolution & Type 160 x 100 pixels 128 x 160 pixels
LCD (STN)
?
LCD (Grayscale)
? 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 900 mAh 600 mAh ? 925 mAh 1,050 mAh
Processor ? ? ? ? 369 MHz ARM 11
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 8 GB *
Main Camera - Yes - - 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - - VGA (640 x 480)
Front Camera - - - - -
Weight 5.64 oz
(160g)
3.17 oz
(90g)
3.03 oz
(86g)
4.7 oz
(133g)
4.94 oz
(140g)
Dimensions 4.53" x 2.95" x 0.95"
(115 x 75 x 24.1 mm)
3.43" x 1.73" x 1.26"
(87 x 44 x 32 mm)
3.78" x 1.97" x 0.71"
(96 x 50 x 18 mm)
5.07" x 1.89" x 1.02"
(129 x 48 x 25.9 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 BlackBerry OS (proprietary) (proprietary) (proprietary) S60 (Symbian)
Network Bands

iDEN: 800

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

WCDMA: 1

GSM: 850, 900, 1800, 1900

Data Technology - EDGE GPRS - EDGE
Features 
Accessibility
Multiple Languages n/a Yes Yes Yes n/a
Alerts
Extra Display - Yes - - -
Ringer Profiles Yes - Yes - Yes
Connectivity
Bluetooth - - Yes
HSP, DUN, OPP, Sync
- Yes
Classic Audio
Infrared (IR) - Yes Yes - -
USB Yes
Mini-USB
Yes - - Yes
Micro-USB
Wi-Fi - - - - Yes
802.11 b,g
Contacts
Picture ID n/a - - - n/a
Ringer ID n/a - - - n/a
Voice Dialing n/a - Yes - n/a
Customization
Changeable Body Plates - - - Yes -
Custom Graphics n/a Yes Yes - n/a
Custom Ringtones n/a Yes Yes Yes n/a
Real-Music Ringers n/a - - - n/a
Data & Network
Data Tethering n/a Yes Yes Yes n/a
WAP / Web Browser n/a Yes Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes Yes n/a
Side Keys - Yes Yes - Yes
Text Keyboard, Hardware Yes - - - -
Memory
Memory Card Slot - - - - Yes *
Messaging
Email Client n/a Yes - - n/a
EMS / Picture Messaging n/a Yes - - n/a
Instant Messaging n/a - - - n/a
MMS n/a Yes - - n/a
Text Messaging Templates n/a Yes Yes Yes n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - - - Yes
Music Player n/a - - - n/a
Stereo Speakers - - - - Yes
Photo & Video
Video Calling n/a - - - n/a
Productivity
Alarm n/a Yes Yes Yes n/a
Calculator n/a Yes Yes Yes n/a
Calendar n/a Yes Yes - n/a
To-Do List n/a Yes - - n/a
Voice Memo n/a Yes Yes - n/a
Software
Games n/a Yes Yes Yes n/a
Java (J2ME) n/a Yes - - n/a
Voice
Headset Jack (2.5 mm) n/a - - Yes n/a
Push-To-Talk Yes Yes - - Yes *
Speaker Phone - Yes - - Yes
  * Some versions only
  BlackBerry 6510 Siemens CF75 Ericsson T39 Kyocera 2135 Nokia N81
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Phone BlackBerry 6510 Siemens CF75 Ericsson T39 Kyocera 2135 Nokia N81

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