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Motorola MOTOROKR EM25

Announced
Aug 5, 2008
Market status
Released
Release date
Oct 16, 2009

Pros

  • Small dimensions (3.98 x 1.81 x 0.55 inches inches)

Cons

  • Lacks an e-mail client
  • Lacks an ambient light sensor for automatic screen brightness adjustment

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Description

Motorola ROKR EM25 is a dual-band GSM slider. It features 128x160 1.8” display, 1.3MP camera, Stereo Bluetooth, microSD slot for memory and FM Radio.

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Design

  • Form factor:
    • Slider
  • Dimensions:
    • 3.98 x 1.81 x 0.55 inches (101 x 46 x 13.9 mm)
  • Weight:
    • 3.00 oz (85 g)
      the average is 4.8 oz (137 g)
  • Design features:
    • Numeric keypad, Soft keys (2)
  • Side Keys:
    • Left: Volume control

Display

  • Physical size:
    • 1.8 inches
  • Resolution:
    • 128 x 160 pixels
  • Pixel density:

    Pixel density - The pixel density of a display represents the number of pixels over an area of one inch. It’s measured in “pixels per inch”, or ppi. The higher the number, the more detailed and good-looking the display is.

    • 114 ppi
  • Technology:

    Technology - There are two main screen technologies currently used in phones and tablets: LCD and AMOLED. The former usually features a light source and liquid crystals, while the latter is based on organic light-emitting diodes. Newer LCD variations like IPS-LCD and Super-LCD allow for very accurate color reproduction and very wide viewing angles, where no significant image quality loss is observed. Current AMOLED screens differ in such a way that they can exhibit much more saturated colors (sometimes too much) and incredibly high contrast levels, which is due to black color being completely black in AMOLED displays.

    • TFT
  • Colors:
    • 65 536

Camera

  • Camera:
      • 1.3 megapixels
    • Features:
      • Digital zoom

Hardware

  • Built-in storage:
    • 0.005 GB
  • Storage expansion:
    • microSD

Battery

  • Talk time:
    • 8.15 hours
      the average is 12 h (745 min)
  • Stand-by time:
    • 13.8 days (330 hours)
      the average is 21 days (502 h)
  • Capacity:
    • 780 mAh
  • Type:
    • Li - Ion

Multimedia

  • Music player:
    • Supported formats:
      • MP3, AAC, WAV, AMR
  • Radio:
      • FM, RDS

Technology

  • GSM:
    • 850, 1900 MHz
    • Other version supports GSM 900/1800 MHz
  • Data:
    • GPRS

Phone features

  • Phonebook:
    • 1000 entries, Caller groups, Multiple numbers per contact, Picture ID, Ring ID
  • Organizer:
    • Calculator, Alarm, Calendar
  • Messaging:
    • SMS, Predictive text input, MMS
  • JAVA:

    JAVA - J2ME (Java 2 Platform, Micro Edition) is a technology that allows programmers to use the Java programming language and related tools to develop programs for mobile wireless information devices such as cellular phones and personal digital assistants (PDAs). J2ME consists of programming specifications and a special virtual machine, the K Virtual Machine, that allows a J2ME-encoded program to run in the mobile device.

      • Yes
  • Games:
      • Yes
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Connectivity

  • Bluetooth:
      • 2.0
    • Profiles:
      • Headset (HSP), Handsfree (HFP), File Transfer (FTP), Object Push (OPP), Generic Access (GAP), Serial Port (SPP), Service Discovery Application (SDAP), Generic Audio/Video Distribution (GAVDP), Advanced Audio Distribution (A2DP), Basic Imaging (BIP), Audio/Visual Remote Control Profile (AVRCP), Audio/Video Control Transport Protocol (AVCTP)
  • USB:
      • USB 2.0
    • Connector:
      • miniUSB
  • Headphones connector:
    • 3.5mm

Other features

  • Notifications:
    • Polyphonic ringtones, Vibration, Phone profiles, Speakerphone
    • Voice recording

Availability

  • Officially announced:
    • 05 Aug 2008
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