Alcatel OT-390 vs Alcatel OT-506D Size compare
Market Status: Released
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|Device type||Feature phone||Feature phone|
|Dimensions||4.17 x 1.81 x 0.53 inches (106 x 46 x 13.4 mm)|
|Weight||2.82 oz (80 g)|
the average is 5.3 oz (152 g)
|Physical size||1.8 inches||1.8 inches|
|Resolution||128 x 160 pixels||128 x 160 pixels|
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.
|114 ppi||116 ppi|
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.
|Screen-to-body ratio||20.25 %|
|Camera||0.3 megapixels VGA||2 megapixels|
|Camcorder||220x176 (15 fps)|
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.
|0 MB ROM|
|Built-in storage||0.002 GB|
|Storage expansion||microSD up to 2 GB||microSD, microSDHC up to 8 GB|
|Talk time||6.00 hours|
the average is 14 h (870 min)
|Stand-by time||16.7 days (400 hours)|
the average is 17 days (414 h)
|Built-in online services support||Facebook, Twitter||Facebook, Twitter|
|GSM||900, 1800 MHz||900, 1800 MHz|
|Multiple SIM cards||2 slots|
|Notifications||Music ringtones, Polyphonic ringtones, Vibration, Silent mode, Speakerphone||Music ringtones (MP3), Polyphonic ringtones (64 voices), Vibration, Flight mode, Silent mode, Speakerphone|
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.