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 5.2 oz (149 g)
|Features||Soft keys, D-Pad||Numeric keypad, D-Pad, Soft keys|
|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|
|Type||User replaceable||User replaceable, Li - Ion|
|Talk time||6.00 hours|
the average is 15 h (874 min)
|Stand-by time||16.7 days (400 hours)|
the average is 15 days (365 h)
|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 - Working closely with federal health and safety agencies, such as the Food and Drug Administration (FDA), the FCC has adopted limits for safe exposure to radiofrequency (RF) energy. These limits are given in terms of a unit referred to as the Specific Absorption Rate (SAR), which is a measure of the amount of radio frequency energy absorbed by the body when using a mobile phone. The FCC requires cell phone manufacturers to ensure that their phones comply with these objective limits for safe exposure. Any cell phone at or below these SAR levels (that is, any phone legally sold in the U.S.) is a "safe" phone, as measured by these standards. The FCC limit for public exposure from cellular telephones is an SAR level of 1.6 watts per kilogram (1.6 W/kg).