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Samsung SGH-T155G vs Samsung SCH-R455C Size compare

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Samsung SGH-T155G Remove phone

Posted: 16 Nov 2009
Market Status: Released
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Samsung SCH-R455C Remove phone

Posted: 17 May 2011
Market Status: Released

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Design
Device typeBasic phoneFeature phone 
Dimensions3.57 x 1.72 x 0.78 inches (91 x 44 x 20 mm)  
Weight2.86 oz (81 g)
the average is 5.3 oz (152 g)
  
Colors Black 
Display
Physical size1.5 inches  
Resolution128 x 128 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.

119 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.

CSTN  
Screen-to-body ratio18.81 %  
Camera
Camera 1.3 megapixels 
Features Digital zoom 
Hardware
Built-in storage0.003 GB  
Storage expansion microSD, microSDHC up to 16 GB 
Battery
Talk time7.00 hours
the average is 14 h (870 min)
6.00 hours
the average is 14 h (870 min)
 
Stand-by time14.6 days (350 hours)
the average is 17 days (414 h)
12.5 days (300 hours)
the average is 17 days (414 h)
 
specifications continue after the ad
Multimedia
Speakers Loudspeaker 
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 
GSM850, 1900 MHz  
DataGPRS  
Connectivity
Bluetooth Yes 
Other features
NotificationsService lights, Polyphonic ringtones (40 voices), Vibration, Silent mode, SpeakerphonePolyphonic ringtones 
Hearing aid compatibilityM3, T3M4, T3 
Other Voice dialing, Voice recording 
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

13 Nov 200916 May 2011 
FCC ID value: A3LSGHT155G linkFCC ID value: A3LSCHR455C 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.

   
Head0.68 W/kg0.44 W/kg 
Measured in850 MHz1900 MHz 
Body0.77 W/kg0.62 W/kg 
Measured in850 MHz1900 MHz 

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