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radio-telephone
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radio-telephone
radio-ˈtelephone Also radiotelephone, radio telephone. [f. radio- 4 + telephone n.] A transmitting and receiving set for radio-telephony.1909 Daily Chron. 15 Feb. 1/2 Mr. Lee De Forest,..whose radio-telephone system has been adopted by the American navy. 1922 Encycl. Brit. XXXII. 1027/2 Compact ligh...
Oxford English Dictionary
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Mobile radio telephone
Mobile radio telephone systems were mobile telephony systems that preceded modern cellular network technology. They were sold through WCCs (Wireline Common Carriers, a.k.a. telephone companies), RCCs (Radio Common Carriers), and two-way radio dealers.
wikipedia.org
en.wikipedia.org
Standard Phonetic Alphabets Used For Radio & Telephone
The NATO / ITU / ICAO phonetic alphabet is designed to allow users to communicate accurately when spelling out names, places, codes etc over radio and ...
www.walkie-talkie-radio.co.uk
Interference with Radio, TV and Cordless Telephone Signals
Interference occurs when unwanted radio frequency signals disrupt the use of your television, radio or cordless telephone. Interference may prevent reception altogether, may cause only a temporary loss of a signal, or may affect the quality of the sound or picture produced by your equipment. The two most common causes of interference are ...
www.fcc.gov
Telegraph - Radio, Telephone, End | Britannica
Telegraph - Radio, Telephone, End: After World War II much new technology became available that radically changed the telegraph industry. Old wire lines were too expensive to maintain and were replaced by coaxial cable and microwave links. Very wide-bandwidth channels became available, allowing transmission speeds limited only by the capabilities of the terminal equipment.
www.britannica.com
Basic exchange telephone radio service
The basic exchange telephone radio service or BETRS is a fixed radio service where a multiplexed, digital radio link is used as the last segment of the local loop to provide wireless telephone service to subscribers in remote areas.
wikipedia.org
en.wikipedia.org
Is the `twisted-pair` line transfer `digital data` and `ADSL` line transfer the `modulated electrical signal`? From the WiKi: > **Modem** (modulator–demodulator) is a network hardware device that modulates one or mor...
To be able to transmit this on a telephone circuit (ADSL) which is designed for analog transmission, the square wave needs to be `modulated` into an analog The analog signals are above the human hearing range, but usually a DSL splitter is installed to pass the low frequencies to telephone equipment and to
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Wireless telephone
Wireless telephone may refer to:
Cordless telephone, a telephone in which the handset is portable and communicates with the body of the phone by radio , instead of being attached by a cord
Mobile phone, a portable telephone that can make and receive calls over a radio frequency link while the user is
wikipedia.org
en.wikipedia.org
which of the following is used to represent the modalities of a maritime radio?
It is also used to refer to the Advanced Mobile Telephone System, a 0G method of radio communication.
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Telephone (disambiguation)
communicates via radio waves to its base station
Mobile phone, a wireless telecommunications device used for phone and data calls over a cellular network Radiotelephone or radiophone, a telephone that allows two or more people to talk via radio, often referring to an older radio telephone system that predated
wikipedia.org
en.wikipedia.org
Relationship between cellular networks and PSTN - especially in relation to the internet I want to theoretically understand the general relationship between the PSTN (public switched telephone network), cellular netwo...
crisscrossing a multitude of technologies, some wired (dialup modems, DSL, cable, fiber, etc) and some not (terrestrial microwave, laser, satellite, shortwave radio
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VKS737
HF-Tel is a division of the Australian National 4WD Radio Network Inc. and provides low-cost direct-dial telephone calls Radio-Telephone services exclusively via the new Barrett 2060 radio-telephone interconnects.
wikipedia.org
en.wikipedia.org
Does pulses in telephone copper wire count as frequncy? Are pulses in telephone copper wire count as frequncy? When we use DSL we use frequncies above 4khz because 0 to 4khz is reserved for telephone communications. F...
That is how radio can have multiple radio stations because they are all operating at different frequencies.
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Telephone newspaper
Beginning in 1923 a Rome radio station, "Radio Araldo", was added. Rowe, Radio News, June 1925 (about the New Jersey Telephone Herald)
Audio reconstruction of Telefonhírmondó programs (in Hungarian)
Newspaper
Information
wikipedia.org
en.wikipedia.org
مشغل (توضيح)
في مجال التقنيات : المشغل هو أحد التجهيزات التي توفر خدمة معينة :مثل مشغل الهاتف telephone operator، مشغل المذياع radio operator.
wikipedia.org
ar.wikipedia.org