Samsung SPH-A310

Samsung SPH-A310 Jitterbug J is a basic CDMA clamshell. It features a 262k color TFT display, phonebook with 50 entries and SMS messaging.

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Samsung SPH-A310 specifications

also known as Samsung Jitterbug J

Pros

No pros

Cons

  • Low pixel densitiy screen, below 180ppi (134 ppi)
  • Bulky
  • It is so thick it needs a personal fitness trainer (0.97 inches)
  • Low resolution display (176 x 220 pixels)
  • Lacks global positioning system (GPS)
  • Lacks microSD slot for storage expansion
  • Lacks a standard (3.5mm) headphones jack
  • Lacks an ambient light sensor for automatic screen brightness adjustment

Design

  • Device type:
    • Budget phone
  • Form factor:

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

    • Clamshell
  • Dimensions:
    • 3.87 x 2.16 x 0.97 (98 x 55 x 25 mm)
  • Weight:
    • 4.06 oz (115 g)
      the average is 4.2 oz (120 g)

Display

  • Physical size:
    • 2.10 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.

    • 134 ppi
  • Colors:

    Colors - Shows the number of colors that the display supports

    • 262 144
  • Additional display:

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

      • Yes
    • Physical Size:
      • 1.07 inches

Battery

  • Talk time:

    Talk time - Maximum talk time in hours

    • 3.00 hours
      the average is 8 h (496 min)
  • Stand-by time:
    • 12.5 days (300 hours)
      the average is 21 days (498 h)
  • Type:
    • Li - Ion

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, 1900 MHz

Phone features

  • Phonebook:
    • 50 entries
  • Messaging:
    • SMS

Connectivity

  • Bluetooth:
      • 2.0, EDR
    • Profiles:
      • Generic Access (GAP), Handsfree (HFP), Headset (HSP), Logical Link Control and Adaptation Protocol, Object Push (OPP), Serial Port (SPP), Service Discovery Protocol (SDP)

Other features

  • Notifications:
    • Polyphonic ringtones

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

      • 23 Sep 2008
      • FCC ID value:

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

        A3LSPHA310 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:
      • 1.22 W/kg
    • Measured in:
      • 1900 MHz
    • Body:
      • 1.10 W/kg
    • Measured in:
      • 1900 MHz
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