Cellular Phone Technology

When choosing a cell phone you need to know the type of service your wireless provider supports. There are two types of wireless cervices still available at this time. They are Analog and Digital. Analog Service is similar to FM radio in that modulating radio signals carry information such as voice or data. The receiver and transmitter must be tuned to the same frequency within a small band width for the receiver to rebuild the signal, amplify it, and send it to the speaker. There are limitations on the number of channels that can be used making this technology soon to be outlived. Effective February 2008, many wireless providers will be discontinuing support of this service. Digital Service is a method similar to computers, in that it uses binary code of Os and 1s. View the rest of this article