Benq-Siemens EF51

Benq Siemens EF51 is a tri-band GSM phone with color display and megapixel camera. It has flip with music dedicated keys and numeric keypad under it. It features music playback and the 20MB of internal memory are expanded through miniSD cards

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Benq-Siemens EF51 specifications

Pros

No pros

Cons

  • It is so thick it needs a personal fitness trainer (0.70 inches)
  • Low resolution display (128 x 128 pixels)
  • Lacks global positioning system (GPS)
  • Low-resolution camera (1.3 megapixels)
  • The camera lacks autofocus
  • Lacks microSD slot for storage expansion
  • Lacks a standard (3.5mm) headphones jack
  • Lacks an ambient light sensor for automatic screen brightness adjustment

Design

  • Form factor:

    Form factor - Refers to the form factor of a phone. The main handset designs are bar, clamshell, slide, swivel

    • Flip
  • Dimensions:
    • 3.50 x 1.92 x 0.70 (89 x 49 x 18 mm)
  • Weight:
    • 3.35 oz (95 g)
      the average is 4.2 oz (120 g)

Display

  • Resolution:
    • 128 x 128 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:

    Colors - Shows the number of colors that the display supports

    • 262 144

Battery

  • Talk time:

    Talk time - Maximum talk time in hours

    • 4.00 hours
      the average is 8 h (496 min)
  • Stand-by time:
    • 8.3 days (200 hours)
      the average is 21 days (496 h)
  • Capacity:
    • 870 mAh

Hardware

  • Built-in storage:
    • 20 MB
  • Storage expansion:
    • Slot Type:
      • miniSD

Camera

  • Camera:
      • 1.3 megapixels
    • Features:
      • Digital zoom, Effects, Self-timer

Multimedia

  • Radio:
      • FM

Internet browsing

  • Browser:
      • Yes
    • Supports:
      • WAP 2.0

Technology

  • GSM:

    GSM - Global System for Mobile communications. A world standard for digital cellular communications using narrowband TDMA (Time Division Multiple Access), which allows up to eight calls at a time on 800 MHz and 1800 MHz frequencies. Introduced in 1991. Is the standard most commonly used in Europe and Asia, but not in the United States. GSM phones use a Subscriber Identity Module (SIM) smart card that contains user account information. Any GSM phone becomes immediately programmed after plugging in the SIM card, thus allowing GSM phones to be easily rented or borrowed.

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

    Data - Shows the particular phone's type of data. the major mobile phone data types are GPRS, CDMA2000 1xRTT, EDGE, CDMA2000 1xEV-DO, UMTS, etc.

    • GPRS

Phone features

  • Phonebook:
    • Caller groups, Multiple numbers per contact, Picture ID, Ring ID
  • Organizer:
    • Calendar, Alarm, To-Do, Calculator, Currency converter, World clock, Stopwatch, Countdown timer, Notes
  • Messaging:
    • SMS, MMS (T9), Predictive text input

Connectivity

  • USB:
      • Yes
    • Computer sync

Other features

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

Availability

  • Officially announced:
    • 13 Feb 2006

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

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