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Sony Ericsson T637

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Motorola C139

Sony Ericsson T637

User Rating - 9.2

Posted: 09 Mar 2004
Market Status: Released US carrier availability: AT&T - Discontinued AT&T Wireless - Discontinued

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Design
Form factor	Candybar
Dimensions	4.00 x 1.70 x 0.70 inches (102 x 43 x 17mm)
Weight	3.26 oz (92 g) the average is 4.4 oz (125 g)
Design features	Numeric keypad, Soft keys (2)

Display
Resolution	128 x 160 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.	TFT
Colors	65 536

Battery
Talk time	14.00 hours the average is 10 h (623 min)
Stand-by time	13.1 days (315 hours) the average is 18 days (434 h)
Type	Li - Polymer

Hardware
Built-in storage	0.002 GB

Camera
Camera	0.1 megapixels CIF (288x352)
Features	Night mode, Effects, Mirror, Self-timer

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Multimedia
Music player
Supported formats	MIDI

Internet browsing
Browser	supports: supports: WAP 1.2.1, cHTML

Technology
GSM	850, 1800, 1900 MHz
Data	GPRS
Global Roaming	Yes

Phone features
Phonebook	510 entries, Caller groups, Multiple numbers per contact, Picture ID
Organizer	Calendar, Alarm, To-Do, Calculator, Wallet, Timer, Stopwatch, Notes, Code memo
Messaging	SMS, MMS (T9), Predictive text input
E-mail	IMAP, POP3, SMTP
Instant Messaging	Yes
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 1.0
Games	Yes

Connectivity
Bluetooth	Yes
Profiles	Headset (HSP)
USB	Yes
Charging connector	Proprietary
Other	Computer sync, Infrared, SyncML

Other features
Notifications	Polyphonic ringtones (32 voices), Vibration, Phone profiles
Other	Voice 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	12 Mar 2004
	FCC ID value: PY7A1031012 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.
Head	0.85 W/kg
Measured in	1900 MHz
Body	0.80 W/kg
Measured in	1900 MHz

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