How do they do it?

Question

How actually wireless things works what program is used that actually connect anything far beyond wireless like ur phone...
ins't it looks mind boggling..

Answer 1

Hardware side

by sending & receiving radio waves of specified bandwidth for a device/ protocol ( decided by IEEE)

analog signal to digital signal conversion( radio waves to binary bits) & vice versa
( also called modulation & demodulation)

SOFTWARE SIDE

implement the logic/protocol for the 2way communication between devices, ( i.e who, how, where, when )

many layers of software operate in the os to the application to perform a task, like drivers, IO ports etc.

2 books to help,
Data communication , and Computer Networks, to get the basics

IP model and OSI model for communication will help to understand how data travels layer by layer