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Samsung SGH-T155G vs Samsung R220

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Samsung SGH-T155G Remove phone

phone
User Rating - 6.5

Posted: 16 Nov 2009
Market Status: Released US carrier availability: Tracfone - Available (since 18 Aug 2010)

Samsung R220 Remove phone

phone
Also known as Samsung SCH-R220
Posted: 06 Feb 2012
Market Status: Released

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Design
Device typeBasic phoneBasic phone 
Form factorClamshellClamshell 
Dimensions3.57 x 1.72 x 0.78 inches (91 x 44 x 20 mm)3.86 x 2.01 x 0.77 inches (98 x 51 x 20 mm) 
Weight2.86 oz (81 g)
the average is 4.4 oz (125 g)		2.86 oz (81 g)
the average is 4.4 oz (125 g)		 
Design featuresNumeric keypad, Soft keys, D-Pad (2)Numeric keypad, Soft keys (2), D-Pad 
Side Keys Left: Volume control 
Colors Red, Gray 
Display
Physical size1.5 inches2.2 inches 
Resolution128 x 128 pixels240 x 320 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 ppi182 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.

CSTNTFT 
Colors65 53665 536 
Additional display

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

 Color, CSTN 
Resolution

Resolution - Refers to the width and the length od the additional display

 128 x 128 pixels 
Physical Size 1.3 inches 
Colors

Colors - Shows the number of colors that the additional display supports

 65 536 
Battery
Talk time7.00 hours
the average is 10 h (623 min)		3.10 hours
the average is 10 h (623 min)		 
Stand-by time14.6 days (350 hours)
the average is 18 days (434 h)		25.0 days (600 hours)
the average is 18 days (434 h)		 
TypeLi - Ion  
Hardware
System memory

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.

 512 MB RAM 
Built-in storage0.003 GB1024 GB 
Camera
Front-facing camera 1.3 megapixels 
specifications continue after the ad
Internet browsing
Browsersupports: supports: WAP 2.0  
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  
Phone features
Phonebook200 entries, Multiple numbers per contact  
OrganizerCalendar, Alarm, Calculator, Converter, Currency converter, World clock, Stopwatch, Countdown timer  
MessagingSMS (200 messages), Predictive text input (T9)SMS 
Connectivity
Headphones connector 3.5mm 
Other features
NotificationsService lights, Polyphonic ringtones (40 voices), Vibration, Silent mode, SpeakerphoneSpeakerphone 
Hearing aid compatibilityM3, T3M4, T4 
Other Voice dialing 
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 200931 Jan 2012 
FCC ID value: A3LSGHT155G linkFCC ID value: A3LSCHR220 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/kg0.40 W/kg 
Measured in850 MHz  
Body0.77 W/kg0.42 W/kg 
Measured in850 MHz  

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