The shortes wavelenght of radio waves called microwaves. Microwaves can be used to carry cell phone conversation. This process works much like radio broadcast.
A cellular telephone within a cell communicates to the call tower, which in turn is connected to the cellular telephone switching office (CTSO) by the telephone line. The telephone switching Office is then connected to the local telephone system. If the cellular telephone moves from one cell to another, the cellular telephone switching office then hands the connection from one cell to another.
It is a device which used for taking and reasoning in between two persons is called cellular telephone networks
Cellular telephone signals can travel up to 22 miles.
The base station tower.
a telephone , cellular or not , weighs much more then a gram .
1973
A cellular phone, also known as a mobile phone can access a cellular telephone network for making telephone calls. Smartphones like an iPhone can also be used.
Doctor Martin Cooper
cell phone memory
The Nokia cellular telephone is unbreakable
Alexander graham bell
Cellular Telephones is using the Integrated Services Digital Network ISDN while the Cordless Telephone is using the Public Switched Telephone Network PSTN, same with ordinary telephone.