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Nokia 6680 vs Nokia 6638

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Nokia 6680 Remove phone

phone
User Rating - 8.4

Posted: 15 Feb 2005
Market Status: Released

Nokia 6638 Remove phone

phone
User Rating - 7.9

Posted: 27 Apr 2005
Market Status: Released

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Design
Device typeSmart phoneSmart phone 
OSSymbian (8.0) S60 2nd Edition, Feature Pack 2Symbian 
Form factorCandybarCandybar 
Dimensions4.28 x 2.17 x 0.81 inches (108.6 x 55.2 x 20.5 mm)4.33 x 2.36 x 0.90 inches (110 x 60 x 23 mm) 
Weight4.69 oz (133 g)
the average is 4.4 oz (125 g)		4.58 oz (130 g)
the average is 4.4 oz (125 g)		 
Design featuresNumeric keypad, Soft keys (2)Numeric keypad 
Display
Resolution176 x 208 pixels176 x 208 pixels 
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.

TFTTFT 
Colors262 14465 536 
Battery
Talk time6.00 hours
the average is 10 h (623 min)		  
Stand-by time10.0 days (240 hours)
the average is 18 days (434 h)		  
Capacity900 mAh1070 mAh 
TypeLi - IonLi - Ion 
Hardware
Built-in storage0.01 GB  
Storage expansionRS-MMCMMC 
Camera
Camera1.3 megapixels1.2 megapixels 
FlashYes  
FeaturesExposure compensation, White balance presets, Digital zoom, Night mode, Self-timerExposure compensation, Burst mode, Night mode, Self-timer 
CamcorderYesYes 
FeaturesVideo callingVideo calling 
Front-facing cameraYes  
specifications continue after the ad
Multimedia
Music player   
Supported formatsMP3, AAC, WAV, AMR, MIDI  
Video playback   
Supported formatsMPEG4, H.2633GPP 
StreamingYesYes 
Internet browsing
Browsersupports: supports: HTML, XHTML, WAP 2.0supports: supports: HTML, XHTML, 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 
GSM900, 1800, 1900 MHz  
UMTS2100 MHz  
DataUMTS, EDGE  
Global RoamingYes  
Positioning

Positioning - This field shows the positioning systems supported by the device. There are three main types: GPS, A-GPS and GLONASS. GPS - This is one of the most widespread global positioning technologies, developed and maintained by the U.S. government. It uses satellites in order to detect your location. Works best in clear weather. A-GPS - A-GPS stands for Assisted GPS and is the industry standard for positioning and navigation. “Assisted” means that it can use local wireless networks, in addition to satellites, for quicker and more precise localization. GLONASS - GLONASS is a global positioning system, developed by the Russian Federation. It’s very similar to GPS, but isn’t so popular in cell phones.

 GPS 
Phone features
PhonebookCaller groups, Picture ID, Ring IDCaller groups, Multiple numbers per contact, Picture ID, Ring ID 
OrganizerCalendar, Alarm, To-Do, Document viewer, Calculator, Unit converter, WalletCalendar, Alarm, To-Do, Calculator, Unit converter, Wallet 
MessagingSMS, MMSSMS, MMS (T9), Predictive text input 
E-mailIMAP, POP3, SMTPIMAP, POP3, SMTP 
Instant MessagingYes  
JAVA

JAVA - J2ME (Java 2 Platform, Micro Edition) is a technology that allows programmers to use the Java programming language and related tools to develop programs for mobile wireless information devices such as cellular phones and personal digital assistants (PDAs). J2ME consists of programming specifications and a special virtual machine, the K Virtual Machine, that allows a J2ME-encoded program to run in the mobile device.

Midp 2.0, CLDC 1.1  
APIJSR-75, JSR-120, JSR-184, JSR-185  
GamesYesYes 
Connectivity
Bluetooth1.2  
ProfilesDial-up networking (DUN), File Transfer (FTP), Generic Access (GAP), Generic Object Exchange (GOEP), Handsfree (HFP), Headset (HSP), Object Push (OPP), Serial Port (SPP)  
USBYesYes 
OtherComputer sync, SyncMLComputer sync, Infrared, SyncML 
Other features
NotificationsPolyphonic ringtones (64 voices), Vibration, Phone profiles, SpeakerphoneVibration, Phone profiles, Speakerphone 
OtherVoice dialing, Voice commands, Voice recording, Push-to-TalkVoice dialing, Voice commands, Voice recording, TTY/TDD 
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

16 Feb 200526 Apr 2005 
FCC ID value: PDNRM-36 linkFCC ID value: QMNRM-18 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.

   
Head0.56 W/kg1.20 W/kg 
Measured in1900 MHz1900 MHz 
Body0.67 W/kg0.67 W/kg 
Measured in1900 MHz1900 MHz 
EU SAR   
Head0.69 W/kg0.67 W/kg 
Availability
Officially announced14 Feb 2005  

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