GSM is an acronym of English origin.
The meaning of GSM is Global System for Mobile Communications, which is translating into Portuguese, it means Global System for Mobile Communications.
The GSM is a technology for handsets mobile, as is also the technology more popular among all the gadgets in the world.
The GSM is an international standard, and the advantage of it is totally directed at this point. In some countries, the only service available will be the GSM, that is, the device will work in other places, from a contract of coverage.
Handset upgrades (for other GSM models) can be performed with ease, since it retains the telephone numbers for the use of chip independent, so-called SIM cards. The SIM cards also store data, such as, for example, the agenda of contacts to quickly import to the new device.
The calls in the GSM are designated in a certain period of time within the frequency (900 MHz to 1800 MHz), where the transmission is encrypted completely, which maintains security in the process, making it difficult to fraud.
Competition in the GSM
The GSM has as a competitor to the CDMA network. In this case, a disadvantage from the point of view of the GSM is based on TDMA network, while the CDMA network is more advanced.
Another disadvantage is its capacity for calls that is more limited than in the CDMA, allowing up to ten on the same channel, related to the distribution of unique codes.
But despite this, the performance of the phones is quite similar.
The advantage of GSM is its ability to maintain compatibility with the GSM phones original.