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ZTE C78

Posted
Oct 1, 2008
Market status
Released

US carrier availability

Discontinued: MetroPCS

Pros

No pros

Cons

  • Lacks microSD slot for storage expansion
  • Lacks a standard (3.5mm) headphones jack
  • Lacks an ambient light sensor for automatic screen brightness adjustment

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Description

ZTE C78 is a simple CDMA candybar, featuring 262k color TFT display, VGA camera, MP3 player and stereo Bluetooth.

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Design

  • Form factor:
    • Candybar
  • Dimensions:
    • 4.30 x 1.90 x 0.55 inches (109 x 48 x 14 mm)
  • Weight:
    • 3.50 oz (99 g)
      the average is 4.8 oz (137 g)
  • Design features:
    • Soft keys (2)

Display

  • Physical size:
    • 2.0 inches
  • Resolution:
    • 176 x 220 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.

    • 141 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:
    • 262 144

Camera

  • Camera:
      • 0.3 megapixels VGA

Hardware

  • Built-in storage:
    • 0.06 GB

Battery

  • Talk time:
    • 3.50 hours
      the average is 12 h (745 min)
  • Stand-by time:
    • 7.5 days (180 hours)
      the average is 21 days (502 h)
  • Capacity:
    • 900 mAh
  • Type:
    • Li - Ion

Multimedia

  • Music player:
    • Supported formats:
      • MP3

Technology

  • CDMA:

    CDMA - Code Division Multiple Access. A technique of multiplexing, also called spread spectrum, in which analog signals are converted into digital form for transmission. For each communication channel, the signals are encoded in a sequence known to the transmitter and the receiver for that channel. The foremost application is digital cellular phone technology from QUALCOMM that operates in the 800MHz band and 1.9GHz PCS band. CDMA phones are noted for their excellent call quality and long battery life.

    • 800, 1700/2100, 1900 MHz

Phone features

  • Phonebook:
    • Caller groups, Multiple numbers per contact, Picture ID, Ring ID
  • Organizer:
    • Calculator, Memo, Alarm, Calendar
  • Messaging:
    • SMS, Predictive text input, MMS
  • E-mail:
      • Yes
  • Instant Messaging:
      • Yes
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Connectivity

  • Bluetooth:
      • 2.0
    • Profiles:
      • Headset (HSP), Handsfree (HFP), Object Push (OPP), Generic Access (GAP), Serial Port (SPP), Service Discovery Application (SDAP), Service Discovery Protocol (SDP), Generic Audio/Video Distribution (GAVDP), Advanced Audio Distribution (A2DP)
  • USB:
      • Yes
    • Connector:
      • miniUSB

Other features

  • Notifications:
    • Polyphonic ringtones, Vibration, Speakerphone

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

      • 29 Apr 2008
      • FCC ID value:

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

        Q78-ZTEC78 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:
      • 0.99 W/kg
    • Measured in:
      • 1900 MHz
    • Body:
      • 0.23 W/kg
    • Measured in:
      • 1900 MHz
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