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Nokia N81

Announced
Aug 29, 2007
Market status
Released

Pros

No pros

Cons

  • Slow data means slow Internet browsing (EDGE, UMTS)
  • Low pixel density screen (167 ppi)
  • Single-core processor
  • Too little RAM memory (96 MB RAM)
  • It is so thick it needs a personal fitness trainer (0.70 inches inches)
  • Low resolution display (240 x 320 pixels)
  • Low-resolution camera (2 megapixels)
  • The camera lacks autofocus
  • Low-resolution video capture
  • Lacks an ambient light sensor for automatic screen brightness adjustment
  • Lacks global positioning system (GPS)

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Description

The Nokia N81 is a Symbian smartphone slider, dedicated to music and games. Play the music through the stereo speakers to listen with friends or through headphones attached to the 3.5mm jack for higher quality. If you want to do it without wires, just pair a Stereo Bluetooth device. Rotate the phone in landscape and play games on the 2.4" QVGA display. When it comes to connectivity, you will like the support of 3G (UMTS), WiFi and microUSB.

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Design

  • Device type:
    • Smart phone
  • OS:
    • Symbian (9.2) S60 3rd Edition, Feature Pack 1
  • Form factor:
    • Slider
  • Dimensions:
    • 4.01 x 1.96 x 0.70 inches (102 x 50 x 17.9 mm)
  • Weight:
    • 4.93 oz (140 g)
      the average is 4.8 oz (136 g)
  • Design features:
    • Numeric keypad, Music control keys, Soft keys (2)
  • Side Keys:
    • Right: Volume control, Camera shutter

Display

  • Physical size:
    • 2.4 inches
  • Resolution:
    • 240 x 320 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.

    • 167 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:
    • 16 777 216

Camera

  • Camera:
      • 2 megapixels
    • Flash:
      • Yes
    • Features:
      • Digital zoom
  • Camcorder:
      • 320x240 (QVGA) (15 fps)
    • Features:
      • Video calling
  • Front-facing camera:
      • Yes

Hardware

  • Processor:

    Processor - The processor is the main computing component of a phone and is a major factor when it comes to the overall speed of the device. Some more powerful smartphones use dual-core and quad-core processors designed to deliver greater performance.

    • Single core, 369 MHz, ARM11
  • System memory:

    System memory - System memory, or RAM memory is the type of memory that the device uses to temporarily store data from the OS or currently-running apps. The more RAM available to the device, the better the performance will be when multiple or heavier programs are running.

    • 96 MB RAM / 128 MB ROM
  • Built-in storage:
    • 0.012 GB
  • Storage expansion:
    • microSD

Battery

  • Talk time:
    • 4.00 hours
      the average is 12 h (709 min)
  • Stand-by time:
    • 17.0 days (408 hours)
      the average is 20 days (492 h)
  • Talk time (3G):
    • 3.00 hours
      the average is 15 h (892 min)
  • Music playback:
    • 11.50 hours
  • Gaming:
    • 6.00 hours
  • Capacity:
    • 1050 mAh
  • Type:
    • Li - Ion

Multimedia

  • Music player:
    • Supported formats:
      • MP3, AAC, eAAC+, WMA, WAV, RA, M4A (Apple lossless), MP4
  • Video playback:
    • Supported formats:
      • MPEG4, H.263, H.264, 3GPP, RealVideo 7, RealVideo 8, RealVideo 9, RealVideo 10
  • Radio:
      • FM, Stereo, Visual Radio

Internet browsing

  • Browser:
      • S60 OSS Browser
    • supports:
      • HTML, XHTML, WAP 2.0, Flash Lite (2.0)

Technology

  • GSM:
    • 850, 900, 1800, 1900 MHz
  • UMTS:
    • 2100 MHz
  • Data:
    • EDGE, UMTS
  • Global Roaming:
    • Yes
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Phone features

  • Phonebook:
    • Unlimited entries, Multiple numbers per contact, Picture ID, Ring ID
  • Organizer:
    • Calculator, Notes, Alarm, To-Do, Calendar
  • Messaging:
    • SMS, Predictive text input (T9), MMS
  • E-mail:
      • IMAP, POP3, SMTP
  • Instant Messaging:
      • Yes
  • 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.

      • Midp 2.0, CLDC 1.1
  • Games:
      • Yes

Connectivity

  • Bluetooth:
      • 2.0, EDR
    • Profiles:
      • Headset (HSP), Handsfree (HFP), Dial-up networking (DUN), Generic Object Exchange (GOEP), File Transfer (FTP), Object Push (OPP), Generic Access (GAP), Serial Port (SPP), Basic Printing (BPP), Human Interface Device (HID), Generic Audio/Video Distribution (GAVDP), Advanced Audio Distribution (A2DP), Basic Imaging (BIP), Audio/Visual Remote Control Profile (AVRCP), SIM Access (SAP)
  • Wi-Fi:
      • 802.11 b, g
  • USB:
      • USB 2.0
    • Connector:
      • microUSB
    • Features:
      • Mass storage device
  • Headphones connector:
    • 3.5mm
  • Other:
    • UPnP, Computer sync, SyncML, VoIP

Other features

  • Notifications:
    • Music ringtones (MP3), Polyphonic ringtones (64 voices), Vibration, Phone profiles, Speakerphone
    • Voice dialing (Speaker independent), Voice commands, Voice recording, Push-to-Talk, Presence

Regulatory Approval

  • FCC approval:

    FCC approval - The Federal Communications Commission (FCC) is an independent United States government agency, directly responsible to Congress. The FCC was established by the Communications Act of 1934 and is charged with regulating interstate and international communications by radio, television, wire, satellite and cable. The FCC's jurisdiction covers the 50 states, the District of Columbia, and U.S. possessions. Every wireless phone device that that is sold in the U.S. has to be tested and approved for sale by the FCC.

    • Date approved:

      Date approved - Shows the date when the particular phone is approved by the Federal Communications Commission

      • 17 Sep 2007
      • FCC ID value:

        FCC ID value - Shows the FCC Identifying value of the particular phone

        OW3RM-256 link
  • FCC measured SAR:

    FCC measured SAR - The exposure standard for mobile devices employs a unit of measurement known as the Specific Absorption Rate, or SAR. The SAR limit stated in the international guidelines is 2.0 W/ kg*. Tests for SAR are conducted using standard operating positions with the device transmitting at its highest certified power level in all tested frequency bands. Although the SAR is determined at the highest certified power level, the actual SAR of the device while operating can be well below the maximum value.

    • Head:
      • 0.73 W/kg
    • Measured in:
      • 1900 MHz
    • Body:
      • 0.40 W/kg
    • Measured in:
      • 1900 MHz
  • EU SAR:
    • Head:
      • 0.81 W/kg

Availability

  • Officially announced:
    • 29 Aug 2007
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