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2. Cordless telephone - Wikipedia

   en.wikipedia.org/wiki/Cordless_telephone

   A Panasonic KX-TG2226B 2.4GHz cordless phone with answering machine. A cordless telephone or portable telephone has a portable telephone handset that connects by radio to a base station connected to the public telephone network. The operational range is limited, usually to the same building or within some short distance from the base station.

3. Wireless home phone - Wikipedia

   en.wikipedia.org/wiki/Wireless_home_phone

   A wireless home phone service is a service that allows a regular wired telephone to connect to a cellular network, as if it were a mobile phone. [1] [2] It is an example of a wireless last mile connection to the public switched telephone network, also known as a wireless local loop.

4. History of the telephone - Wikipedia

   en.wikipedia.org/wiki/History_of_the_telephone

   Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in 1876. Elisha Gray, 1876, designed a telephone using a water microphone in Highland Park, Illinois. Tivadar Puskás proposed the telephone switchboard exchange in 1876. Thomas Edison invented the carbon microphone which produced a strong telephone ...

5. The history of the American phone book - AOL

   www.aol.com/history-american-phone-book...

   As phone lines became more popular—between 1942 and 1962, the number of phones in the U.S. grew 230% to 76 million—telephone companies realized they would run out of phone numbers.

6. Timeline of the telephone - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_the_telephone

   1882: A telephone company—an American Bell Telephone Company affiliate—is set up in Mexico City. 14 May 1883: The Adelaide exchange was opened, with 48 subscribers. [15] 7 September 1883: The Port Adelaide exchange was opened, with 21 subscribers. [15] 4 September 1884: Opening of telephone service between New York and Boston (235 miles). [23]

7. Wireless Set Number 10 - Wikipedia

   en.wikipedia.org/wiki/Wireless_Set_Number_10

   The British Army 's Wireless Set, Number 10, was the world's first multi-channel microwave relay telephone system. [1] It transmitted eight full-duplex (two-way) telephone channels between two stations limited only by the line-of-sight, often on the order of 25 to 50 miles (40 to 80 km). The stations were mounted in highly mobile trailers and ...