What is GSM?What is a Postpaid Mobile Connection?

Answer 1

The Global System for Mobile Communications (GSM)

GSM is a cellular network, which means that mobile phones connect to it by searching for cells in the immediate vicinity. GSM networks operate in four different frequency ranges. Most GSM networks operate in the 900 MHz or 1800 MHz bands.

One of the key features of GSM is the Subscriber Identity Module (SIM), commonly known as a SIM card. The SIM is a detachable smart card containing the user's subscription information and phonebook. This allows the user to retain his or her information after switching handsets. Alternatively, the user can also change operators while retaining the handset simply by changing the SIM. Some operators will block this by allowing the phone to use only a single SIM, or only a SIM issued by them; this practice is known as SIM locking, and is illegal in some countries.

Postpaid connection has a billing system of usage and comes monthly. u have to pay after using

Answer 2

GSM is one of the major standards for digital cellular communications, in use in over 60 countries and serving over one billion subscribers. The GSM standard is currently used in the 900 MHz, 1800 MHz and 1900 MHz bands.

GPRS allows circuit switched data communications over GSM,
and is widely used for World Wide Web and electronic mail
access from cellular devices.

I don't know what a postpaid mobile connection is.

Answer 3

Global System for Mobile communications, the most widely used digital mobile phone system and the de facto wireless telephone standard in Europe. Originally defined as a pan-European open standard for a digital cellular telephone network to support voice, data, text messaging and cross-border roaming. GSM is now one of the world's main 2G digital wireless standards. ...

Post paid mobile connection is in which u pay after ur usage

Answer 4

GSM stands for Global system for Mobile communication . It primarily works at 900/1800/1900 Mhz freq .In india we use only 900/1800 Mhz . This utilizes the concept of frequency reuse wherin the frequencies alloted to a particular operator are reused over a particular area . It utilizes also the concept of TDM(Time division multiplexing.)

Answer 5

GSM = Global System for Mobile Communications
It's the digital network your phone uses to communicate

Answer 6

first part of your question has been answered by quite a few already.
for the second part the answer is, prepaid is you pay first and then use service upto the limit of payment,
and post paid also means same thing, what should have been actually called post use ( you are billed for the services availed).
some stupid half literate guy started using the phrase, flock continued to follow the suit.

Answer 7

that is sattelite modulation generally a sim card phone operator and post paid connection is where you pay usage bill monthly. the other is prepaid where you pay in advance.

Answer 8

completely agree with jbird3351