INFORMATION TECHNOLOGY

Feature of GSM:-
GSM is together to other technologies and evolution of wireless mobile telecommunication that provide high speed circuit-switched data (HSCSD) GPRS is enhancing the data rate for GSM evolution (EDGE) and universal mobile telecommunication and service (UMTS).

Security issue:-
GSM security issues such as theft of service, legal and privacy interception continue to raise signification interest in the General Service for Mobile community.

Advantages:-
· GSM is more suitable network with robust pitfall.
· Low signal inside the building and house.
· The subscriber globally creates much better in network effect for GSM handset maker’s carries and end users.
· It can be use repeaters.
· A customer has been better voice quality and low cost amount in alternatives to making cells like (sms) etc.
· It is easy to implement.
· International roaming is not a big problem.
· GSM allow network operation to after roaming service so that customer can use whole over the world.

Disadvantages:-
· Many of the technology are patented and should be license from qualcomm.
· When customers using particular sites going up and the range of he sites goes down.
· Manufactures are not release IS-95 devices due to the lack of the big market and it come in late in market.
· IS-95 is normally installed in small tower.
· Gsm has fixed max call sites range up to 35 km that is very limited.