Communication is the basic process of exchanging information. Mobile communication entails transmission of data to and from hand held devices. Out of the two or more communicating devices at least one is hand held or mobile. Communication is a two way transmission and reception of data streams. Voice, data, or multimedia streams transmitted as signal is which are received by a receiver. Signals from a system can be transmitted through a fiber, wire or wireless medium . During the transmission process, transmitter sends the signals according to defined regulations ,recommended standards and protocols. Mobile communication makes ease to access a person from distant places.