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Phone NEC 535M UTStarcom Slice PCS-1400 Siemens SL55 Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Not yet released Released Released Released
Specifications 
Display Size ? ? ? ?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
101 x 80 pixels
LCD (STN)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 720 mAh 900 mAh 500 mAh 1,490 mAh
Processor ? ? ? 400 MHz Intel XScale
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel - - Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture QCIF (176 x 144) - - QCIF (176 x 144)
Front Camera - - - -
Weight 4.16 oz
(118g)
2.3 oz
(65g)
2.79 oz
(79g)
7.41 oz
(210g)
Dimensions 3.98" x 1.93" x 1.02"
(101 x 49 x 25.9 mm)
4.3" x 1.8" x 0.4"
(109 x 46 x 10.2 mm)
3.21" x 1.75" x 0.86"
(82 x 44 x 21.8 mm)
4.92" x 2.83" x 0.75"
(125 x 72 x 19.1 mm)
Form Factor Clamshell Slab Slide Slide
Platform / OS (proprietary) (proprietary) (proprietary) Windows Mobile Professional
Network Bands

GSM: 850, 1800, 1900

CDMA: 1900

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology GPRS 1xRTT GPRS GPRS
Features 
Flashlight Yes - - -
GPS / Location - Yes - n/a
Accessibility
Multiple Languages Yes - Yes n/a
TTY/TDD (Digital) Yes Yes - -
Alerts
Extra Display Yes - - -
Ringer Profiles Yes - Yes -
Connectivity
Bluetooth - - - Yes
Infrared (IR) Yes - Yes Yes
USB Yes - - Yes
Wi-Fi - - - Yes
Contacts
Picture ID Yes - Yes n/a
Ringer ID Yes Yes Yes n/a
Voice Dialing Yes - Yes n/a
Customization
Custom Graphics Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes n/a
Data & Network
Data Tethering Yes - Yes n/a
External Antenna Jack - Yes - n/a
WAP / Web Browser Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen - - - Yes
Memory
Memory Card Slot - - - Yes
Messaging
Email Client Yes - Yes n/a
EMS / Picture Messaging - - Yes n/a
MMS Yes - Yes n/a
Text Messaging Templates - Yes Yes n/a
Music
Music Player - - - n/a
Productivity
Alarm Yes Yes Yes n/a
Calculator Yes Yes Yes n/a
Calendar Yes Yes Yes n/a
To-Do List Yes - Yes n/a
Voice Memo Yes - Yes n/a
Software
Games Yes Yes Yes n/a
Java (J2ME) Yes Yes Yes n/a
Voice
Headset Jack (2.5 mm) - Yes - n/a
Speaker Phone - Yes Yes Yes
  * Some versions only
  NEC 535M UTStarcom Slice PCS-1400 Siemens SL55 Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)
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Phone NEC 535M UTStarcom Slice PCS-1400 Siemens SL55 Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)

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