If you wish to buy a handset with excellent imaging power then, Sony Ericsson K800i fits the bill perfectly. Loaded with high-class imaging features, this Sony mobile phone takes snaps like a digital camera. With a range of supportive features, shooting quality images is as easy as it can get. The mobile phone also boasts of a range of intuitive features to make your mobile communique pleasurable.Sony Ericsson K800i is endowed with imaging options which makes shooting quality snaps easy and comfortable. Also known as a Cyber-Shot digital camera, the mobile phone features a 3.2 megapixel camera with built-in xenon flash and auto focus. In addition, it is also equipped with an integrated video stabilizer. Shooting in dull light also gets possible due to xenon flash. With Bestpic function you can select and save the best image.
Sharing videos and images is hassle-free with Sony Ericsson K800i. Just connect your mobile phone to a PictBridge compatible printer and get prints of your favourite images. You can also transfer the desired images to your computer by connecting you mobile phone to the computer by using a USB cable. With Bluetooth and MMS facility, sending pictures and other mobile content to your friends is just a click away. Browse Internet on your mobile and that too, at high speed- all with 3G technology. The powerful technology also offers fast downloading of multimedia content and a range of interesting features like video-calling and photo blogging. Providing you the best in digital entertainment, Sony Ericsson K800i boasts of an in-built music player and a FM radio to help you listen your favourite music, whichever part of the world you are.
GSM is a cellular network, which means that mobile phones connect to it searching for cells. GSM networks can operate in four different frequency ranges. Most GSM networks are operates in the 900 MHz or 1800 MHz bands. Some countries in the Americas use the bands from 850 MHz and 1900 MHz because the 900 and 1800 MHz frequency bands were already allocated
The rarer 400 and 450 MHz frequency bands are assigned in some countries, where these frequencies were previously used for first-generation systems.
In the 900 MHz band there are two different frequency dand for both the uplink and the downlink,for the uplink frequency band is 890–915 MHz, and the downlink frequency band is 935–960 MHz.. Time division multiplexing is used in this to allow eight full-rate or sixteen half-rate speech channels per radio frequency channel. There are eight radio timeslots grouped that is called as TDMA frame. Half rate channels use alternate frames in the same timeslot.
The transmission power in the phone is limited to a maximum of 2 watts in GSM850/900 and 1 watt in GSM1800/1900. macro, micro, pico, femto and umbrella cells these are all the five different cell size in a GSM network. Indoor coverage is also effectively supported by GSM and may be achieved by using an indoor picocell base station,
Femtocells are cells are mainly designed for use in residential or small business environments and connect to the service provider’s network via a broadband internet connection.these are all the some of the points in the GSM.
The rarer 400 and 450 MHz frequency bands are assigned in some countries, where these frequencies were previously used for first-generation systems.
In the 900 MHz band there are two different frequency dand for both the uplink and the downlink,for the uplink frequency band is 890–915 MHz, and the downlink frequency band is 935–960 MHz.. Time division multiplexing is used in this to allow eight full-rate or sixteen half-rate speech channels per radio frequency channel. There are eight radio timeslots grouped that is called as TDMA frame. Half rate channels use alternate frames in the same timeslot.
The transmission power in the phone is limited to a maximum of 2 watts in GSM850/900 and 1 watt in GSM1800/1900. macro, micro, pico, femto and umbrella cells these are all the five different cell size in a GSM network. Indoor coverage is also effectively supported by GSM and may be achieved by using an indoor picocell base station,
Femtocells are cells are mainly designed for use in residential or small business environments and connect to the service provider’s network via a broadband internet connection.these are all the some of the points in the GSM.
Like all high structures, cellular antenna masts creates a hazard to low flying aircraft. Towers over a certain height or towers that are closer to airports or heliports are normally required to have warning lights. There have been reports that warning lights on cellular masts, TV-towers and other high structures can attracting and also confusing the birds. US authorities estimate that millions of birds are killed near communication towers in the country …..
The Independent newspaper provided evidence for the theory that mobile phone masts are a major cause in the collapse of bee populations, with controlled experiments demonstrating a rapid and catastrophic effect on individual hives near masts.. The mobiles emittinig some kinds of radiation which are not god for human health and also not safe for our environment.. there are lot of problems are created by the this radiation… all these things want to be control immediately…
The Independent newspaper provided evidence for the theory that mobile phone masts are a major cause in the collapse of bee populations, with controlled experiments demonstrating a rapid and catastrophic effect on individual hives near masts.. The mobiles emittinig some kinds of radiation which are not god for human health and also not safe for our environment.. there are lot of problems are created by the this radiation… all these things want to be control immediately…
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