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How Do Cordless Phones Work?

A cordless phone is a communication device comprised of a base station and a cordless receiver. This device is connected to a landline (POTS) and operates up to (typically) one hundred feet from the base station. Cordless phones serve the convenience of not being restricted by the tangle of a phone cord.

As for power, cordless phones are unlike regular telephones in that they require household mains electricity. The cordless phone receiver is powered by a rechargeable battery when resting in its base station.

Cordless phones use seven frequency bands that have been allocated by the Federal Trade Commission:

?1.7 MHz ?27 MHz (allocated in 1980) ?43?50 MHz (allocated in 1986) ?900 MHz (902?928 MHz) (allocated in 1990) ?1.9 GHz (1920-1930 MHz) (allocated in October 2005) ?2.4 GHz (allocated in 1998) ?5.8 GHz (allocated in 2003)

Of those listed, the 900 MHz, 2.4 GHz, and 5.8 GHz bands are used by all phones, including cordless phones, in the United States.

Wireless Phones

Wireless phones are similar to cordless phones, but they require a connection with a local wired service instead of mobile phone network, and do need to plug into a wireless access point, such as a base station. Using electromagnetic waves, wireless phones work on a 2.4 GHz frequency band via digital technologies or 802.11a/b/g standards-based wireless LAN technology. The difference between wireless phones and cordless phones, however, is that wireless phones are initiated by connecting to the public switched telephony network (PSTN) via a call management function. Base stations may or may not have the capability of performing this connection. Most digital systems associated with wireless phones have encryption incorporated into its programming, so privacy is usually an expected and guaranteed feature.

As the progenitor to cell phones, cordless phones are a more convenient form of modern communicative technology than standard or conventional telephones. These portable devices are easy to set up, simple to use, inexpensive (or at least affordable), and include multiple ?user-friendly? features, such as privacy encryption and distinctive ringing. It?s no wonder why cordless phones are so popular and commonly used today!

Find more Cordless Phone resources at http://www.cordelessphones-4u.info, and other great topics here http://www.information-checkstop.info.

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