Analog vs Digital
Cell Phone Technology
Analog cell phone technology
was introduced in the early 1980's and their network was rapidly
expanded around the country. This means that there is analog coverage
almost in every calling area in the US. Since the network of analog
wireless technology is so large, that it is often used as a back
up service for digital service.
Digital cell phone technology is a newer type of cell technology
that differs from the traditional analog technology by the way it
sends signals and data. In doing so the sound quality is a lot better,
adding to the quality of the phone conversation.
Since the wireless networks needed to support digital signals is
not fully developed around the country, most phones are "dual band"
and therefore use both analog and digital technology when the one
is not available. Also by using digital cell phone technology, it
saves the battery energy for the phone. The only drawback is that
the phones are more expensive compared to analog phones.
Types of Digital Cell Phone Technology
The 4 main types of digital cell phone technology are
PCS, TDMA, CDMA and GSM; each requires a different type of phone to
use that technology.
PCS stands for Personal Communication System. This
type of digital coverage is usually more directed to populated parts
of town and roads. In order to use this digital cell phone technology,
a PCS phone is needed.
TDMA stands for time division multiple access. It
is one of the most commong digital communication technologies and
does the . In order to use this digital cell phone technology, a TDMA
phone is needed.
CDMA stands for code division multiple access. The
basis of this type of digital technology is that it separates the
communication signals by code and also it is offered in the bandwidths
of 800 MHz and 1900 MHz. In order to use this digital cell phone technology,
a CDMA phone is needed.
GSM stands global system for mobile communication.
This type of technology is expanding quickly in North America is already
commonly used in Asia, Middle East and Europe. In order to use this
digital cell phone technology, a GSM phone is needed.
Before you buy any phone make sure that you buy a phone that is compatible
with your service provider. Since a phone using one type of digital
network will not work with another, so make sure you do your research
for the provider in your area.
This information was compiled from http://www.usedcellphones.com
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