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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