They are sent the same way as radio and TV communication do. Through electromagnetic waves, with a high frequency band. The difference is that cell towers of transmission are necessary because the battery of a mobile has no enough power to send signals at a great distance. As a cell-phone user drives down the street, the signal is handed from tower to tower.
mobile phones of course!
mobile phones
mobile phones and laptops
Discount mobile phones and even the expensive mobile phones are generally produced in the same countries. Most of the countries that make electronic devices are the U.S., China, and India.
Electrom magnetic wave
mobile phones and telephones use microwaves. As do televisions.
Yes the primary communication method is cell phones in most of Africa
Mobile phones (calls and messaging) and access to the internet.
They mostly had telephone but hardly any mobile phones.
Screen based communication is electronic communication that is displayed on a screen. It includes tablets, computers, television screens, and cell phones.
A disadvantage of electronic media is that even though our ways of communication have improved greatly, we've lost a great deal of depth in our communication. We are losing person to person relationships with each other and self-understanding that came from normal communication.
Copper is used in mobile phones. It is used in all electronic devices and it makes up the wiring in these devices