Apple iPhone
Apple’s iPhone is a 2.5G quad band GSM phone that uses a touch screen interface. It performs the functions of a mobile phone, a camera, an da multimedia player, plus internet services such as e-mail, text messaging, web browsing, and Wi-Fi connectivity.
Many have expressed disappointment that the iPhone is not a 3G device, but Apple says it plans to make 3G phones in the future, and this first generation iPhone was designed to be 2.5G only because of battery consumption and 3G network maturity issues in the US.
In the US, the Apple iPhone is available from the Apple Store and from AT&T Mobility, formerly Cingular Wireless, with a price of US$499 for the 4 GB model and US$599 for the 8 GB model, based on a two-year service contract.
Despite most touch screen devices being designed for use with a stylus, the Apple iPhone’s touch screen has been specifically designed for use with fingers. Because of this, even if you want to use a normal stylus you would be unable to do so as the screen has been programmed to respond to touch by something with the physical properties of bare skin.
Keying in text is via a virtual keyboard on the touch screen which has automatic spell checking, word prediction and a dynamic dictionary which can learn new words. You control interface elements such as scrolling using special touch-drag-lift finger motions, like sliding a playing card across a table. Once you learn the various ways to touch the screen, using the Apple iPhone should be easy as Apple is known to be very good at user interface design.
The camera function uses a 2.0 megapixel camera at the back of the phone but this camera only takes photos with no video recording capability.
Being 2.5G, the fastest internet connectivity it can use is EDGE, supported on AT&T’s network. It uses a mobile version of Safari with special touch control features. The Apple iPhone’s email client supports HTML and can sync with Apple Mail, Microsoft Outlook and Microsoft Entourage. It also supports IMAP and POP3, as well as special PushIMAP email from Yahoo that works similiarly to a BlackBerry.
The Apple iPhone runs a special mobile version of Mac OS X that takes up 700MB of space on the device. It supports Widgets like Stock and Weather Widgets.
Some specs:
* Screen size: 8.9 cm (3.5 in)
* Screen resolution: 320×480 pixels at 160 ppi
* Input method: Multi-touch screen interface (the “Home” button is the iPhone’s only physical front panel button)
* Operating System: OS X
* Storage: 4 or 8 GB Flash memory
* Quad band GSM (GSM 850, GSM 900, GSM 1800, GSM 1900)
* Wi-Fi (802.11b/802.11g), EDGE and Bluetooth 2.0 with EDR
* 2 megapixel camera
* Built-in rechargeable, non-removable battery with up to 8 hours of talk, 6 hours of internet use, 7 hours of video playback and up to 24 hours of audio playback, lasting over 250 hours on standby.[31]
* Size: 115×61×11.6 mm (4.5×2.4×0.46 in)
* Weight: 135 g (4.8 oz)
* Digital SAR (Specific Absorption Rate) of 0.974 watts per kilogram[1][2]
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