Palm Treo 650 (CDMA)
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|Device type||Smart phone|
|OS||Palm OS (5.4 (Garnet))|
|Dimensions||4.40 x 2.30 x 0.90 inches (113.00 x 59.00 x 23 mm)|
|Weight||6.30 oz (178 g)|
the average is 4.6 oz (131 g)
|Resolution||320 x 320 pixels|
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.
|Camera||0.3 megapixels VGA|
|Features||Digital zoom, Mirror|
Processor - The processor is the main computing component of a phone and is a major factor when it comes to the overall speed of the device. Some more powerful smartphones use dual-core and quad-core processors designed to deliver greater performance.
|Single core, 312 MHz, Intel PXA270|
|Built-in storage||0.023 GB|
|Storage expansion||SD, MMC|
|Talk time||4.50 hours|
the average is 12 h (745 min)
|Stand-by time||12.5 days (300 hours)|
the average is 20 days (487 h)
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|
|Other||Computer sync, Infrared|
|Notifications||Vibration, Phone profiles, Speakerphone|