Handspring Treo 300
US carrier availabilityDiscontinued: Sprint
- No rear camera
- Lacks Wi-Fi
- Lacks microSD slot for storage expansion
- It is so thick it needs a personal fitness trainer (0.70 inches inches)
- Resistive touchscreen technology means its display is less sensitive than you would like it to be
- Lacks an e-mail client
- Lacks a standard (3.5mm) headphones jack
- Lacks an ambient light sensor for automatic screen brightness adjustment
- Lacks a proximity sensor that turns the display оff during a phone call
- No front-facing camera
- Lacks global positioning system (GPS)
- Device type:
- Smart phone
- Palm OS (3.5)
- 4.30 x 2.70 x 0.70 inches (109mm x 69mm x 18mm)
the average is 4.8 oz (137 g) 5.20 oz (147 g)
- 5.20 oz (147 g)
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.
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.
- 33 MHz
- Built-in storage:
- 0.016 GB
- Talk time:
the average is 12 h (746 min) 2.50 hours
- 2.50 hours
- Stand-by time:
the average is 21 days (502 h) 6.2 days (150 hours)
- 6.2 days (150 hours)
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.
- 1900 MHz
- Computer sync, Infrared
- Vibration, Speakerphone
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