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Benq-Siemens EF81

Announced
Jan 17, 2006
Market status
Released

Pros

No pros

Cons

  • Lacks an ambient light sensor for automatic screen brightness adjustment

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Description

Benq-Siemens EF81 is an ultra-slim GSM clamshell phone with dual large 262k color displays and 2-megapixel swiveling camera, featuring Video-Calling function through UMTS networks. It features music player with dedicated keys and 64MB of memory, expandable through microSD cards

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Design

  • Dimensions:
    • 3.70 x 2.00 x 0.63 inches (94 x 51 x 16 mm)
  • Weight:
    • 3.88 oz (110 g)
      the average is 4.8 oz (137 g)

Display

  • Resolution:
    • 240 x 320 pixels
  • 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:
    • 262 144
  • Additional display:

    Additional display - Shows specs of the phone's additional display

      • TFT
    • Resolution:

      Resolution - Refers to the width and the length od the additional display

      • 120 x 160 pixels
    • Colors:

      Colors - Shows the number of colors that the additional display supports

      • 262 144

Camera

  • Camera:
      • 2 megapixels, Swivel
    • Features:
      • Digital zoom, Self-timer
  • Camcorder:
      • Yes
    • Features:
      • Video calling

Hardware

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

Battery

  • Talk time:
    • 4.50 hours
      the average is 11 h (675 min)
  • Stand-by time:
    • 12.5 days (300 hours)
      the average is 20 days (477 h)
  • Capacity:
    • 950 mAh

Internet browsing

  • Browser:
      • Openwave Browser

Technology

  • GSM:
    • 900, 1800, 1900 MHz
  • UMTS:
    • 2100 MHz
  • Data:
    • GPRS

Connectivity

  • USB:
      • Yes
  • Other:
    • Computer sync
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Other features

  • Notifications:
    • Music ringtones (MP3), Polyphonic ringtones (64 voices), Vibration, Phone profiles, Speakerphone
    • Voice dialing

Availability

  • Officially announced:
    • 17 Jan 2006

To see the full specifications with in-depth details click here.


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