Wireless communications products that depend on RF principles are everywhere these days, and the growth rate is astonishing. From cell phones and wireless PDAs to Wi-Fi-enabled laptops, Bluetooth ...

It is fitting in a book about wireless communication to look at the phenomena that lets us transfer information from one point to another without any physical medium—the propagation of radio waves. If ...

The operation of an electromechanical switch is based on the simple theory of electromagnetic induction. This switch relies on mechanical contacts for its switching mechanism. In electromechanical ...