Telecommunications devices, including cell phones, satellite radio or Voice over IP, connect us to one another and to the world of information at our fingertips. Learn all about the technologies we depend upon for efficient communication.
You're probably well-aware of the restrictions related to cell phone and laptop use on airplanes. But do you know exactly why they're in place?
It's possible and relatively easy for someone to tap into your phone line, especially if you live in a dorm or an apartment building. It's also pretty easy to detect. Find out how to tell if your phone line is tapped.
There are two popular digital systems in the United States. One is generically known as "digital service," and the other is clearly branded as "PCS."
I've been looking at cordless phones and have noticed that this area has gotten fairly complicated! For example, what is the difference between 900 MHz and other systems?
Digital spread spectrum (DSS) technology has its roots back in World War II and has evolved into the technology of choice for the cordless phone. Cordless phones are now truly "ready for prime-time" thanks to affordable DSS technology.
One of the relative miracles of modern times is the reliability of the phone system. The power goes out fairly often for most people, but your telephone is always working (as long as you pay the bill). Why is that?
Telephones are one of the greatest technological advances of our time. Do you know how your call gets to its destination? Learn all about how the telephone works in this article.
On a "complexity per cubic inch" scale, cell phones are some of the most intricate devices people play with on a daily basis. Take a look inside a cell phone.
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