Friday, July 3, 2009

Gsm Cellular Phone


The GSM Cellular Phone

by Cecep SA

A cell phone is a GSM type mobile phone that uses the (G) lobal (S) for YSTEM (M) ‎obile Communications to send and receive phone calls. GSM is a digital standard, first ‎offered commercially in 1991 and is currently the most popular mobile phone ‎transmission technology in the world.

The GSM standard uses TDMA digital technology, which allows three types of voice ‎calls to be placed in the same slot, instead of a call using the old analog cell phones. This ‎is possible through digital compression, which is based on GSM, with the addition of ‎encryption. A GSM cell phone took the same amount of space on which the old ‎technology, but has the added advantage of greater security.

One of the great benefits of a GSM cell phone is the addition of a SIM or Subscriber ‎Identification Module. " This little chip slips into the back of a GSM mobile phone and ‎have all users of personal information. This includes contacts and calendar information in ‎most cases, and most important of the subscriber personally identifiable information. This ‎information in a removable chip enables a GSM cellular telephone user to move between ‎a SIM card of mobile phones and even receive voice calls at the same number. It also ‎prevents users from having to re-enter personal data each time a new phone is purchased.

GSM Cellular Phone Advantages

A GSM cell phone offers superior sound quality. Background noises, disturbances, and ‎the sounds are very low static and crossed-line conversations are also nearly eliminated in ‎a GSM cell phone. GSM Cellular Phone sound quality is more similar to a landline ‎phone. The main advantages of a GSM cellular phone International Roaming is the ‎ability, good sound quality, small and affordable terminals the ability to handle a high ‎volume of users. Unlike analog phones, your cell phone conversation with a GSM digital ‎network is safe and secure.

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