Siemens AL21
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- Posted: 25 Nov 2005 Announced: 24 Nov 2005
- Market Status: Released
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- Links: Siemens AL21 Official page
Siemens AL21 brings the sliding design to the entry-level. It is tri-band GSM phone and has color display. It can synchronize with PC and features JAVA and WAP
Rating
Siemens AL21 specifications
Pros
No prosCons
- It is so thick it needs a personal fitness trainer (0.76 inches)
- Low resolution display (130 x 130 pixels)
- Lacks global positioning system (GPS)
- Lacks microSD slot for storage expansion
- Lacks a standard (3.5mm) headphones jack
- Lacks an ambient light sensor for automatic screen brightness adjustment
Design
- Form factor:
Form factor - Refers to the form factor of a phone. The main handset designs are bar, clamshell, slide, swivel
- Slider
- Dimensions:
- 3.40 x 1.80 x 0.76 (87 x 46 x 19 mm)
- Weight:
- 2.75 oz (78 g)
the average is 4.2 oz (120 g)
- 2.75 oz (78 g)
Display
- Resolution:
- 130 x 130 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.
- STN
- Colors:
Colors - Shows the number of colors that the display supports
- 65 536
Battery
- Talk time:
Talk time - Maximum talk time in hours
- 5.00 hours
the average is 8 h (497 min)
- 5.00 hours
- Stand-by time:
- 9.2 days (220 hours)
the average is 21 days (496 h)
- 9.2 days (220 hours)
- Capacity:
- 600 mAh
Hardware
- Built-in storage:
- 2 MB
Internet browsing
- Browser:
- Yes
- Supports:
- WAP 1.2.1
Technology
- GSM:
GSM - Global System for Mobile communications. A world standard for digital cellular communications using narrowband TDMA (Time Division Multiple Access), which allows up to eight calls at a time on 800 MHz and 1800 MHz frequencies. Introduced in 1991. Is the standard most commonly used in Europe and Asia, but not in the United States. GSM phones use a Subscriber Identity Module (SIM) smart card that contains user account information. Any GSM phone becomes immediately programmed after plugging in the SIM card, thus allowing GSM phones to be easily rented or borrowed.
- 850, 1800, 1900 MHz
- Other version supports GSM 900/1800/1900 MHz
- Data:
Data - Shows the particular phone's type of data. the major mobile phone data types are GPRS, CDMA2000 1xRTT, EDGE, CDMA2000 1xEV-DO, UMTS, etc.
- GPRS
Phone features
- Phonebook:
- 500 entries, Caller groups, Picture ID, Ring ID
- Organizer:
- Calendar, Alarm, Calculator, Currency converter, Notes
- Messaging:
- SMS, MMS (T9), Predictive text input
Connectivity
- Computer sync
Other features
- Notifications:
- Polyphonic ringtones (32 voices), Vibration, Speakerphone
- Voice dialing, Voice recording
Availability
- Officially announced:
- 24 Nov 2005
To see the full specifications with in-depth details click here.
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