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What are the communication in the 1920s?
communication in the 1920's include: mail, radio and newspapers. They did not have tv's or computers. communication in the 1920's include: mail, radio and newspapers. They did not have tv's or computers.
What is communication net work?
A communication network is a collection of communication devices. They may be connected wirelessly or by wire. Examples include - A Ham Radio Net, A military radio net, or a family radio net, Cellular Telephones, Telephones, etc.
What is cheapest means of mass communication?
Radio
What are the elements of radio communication system?
There are many elements of a radio communication system. These elements include a transmitter, radio frequency oscillator, modulator, transmitting ariel, receiving ariel, demodulator, and amplifier.
What was the most powerful communication medium in the 1920s?
radio
what is the similarities of mobile phone and radio?
they both communication device
Why can't the signals used in radio be used for mobile communication to make it harmless?
They are; mobile phones are no more dangerous than a radio station.
Why is Radio Frequency used in mobile communication?
the frequency used in mobile communication should be greater then 30mhz so cannot be reflected by the ionosphere thats why we are using a frequency of range less ghz so called "radio waves"
What has the author John Doble written?
John Doble has written: 'The spread of nuclear weapons' 'Introduction to radio propagation for fixed and mobile communications' -- subject(s): Mobile communication systems, Radio wave propagation, Microwave communication systems
What is different between wireless communication and mobile computing?
Wireless communication refers to ANY communication done with radio-waves instead of wires. Mobile computing simply means using a laptop on it's own imternal battery.
What is different type of wireless communication?
bluetooth, infrared wi-fi, wi-max, gps, remote control, wap, radio communication, satellite & mobile communication
What type of radiation is used in mobile phone communication networks?
radio waves (part of the electromagnetic spectrum)
Definition of mobile communication?
Mobile Communication: A communication network (either public or private) which doesn't depend on any physical connection between two communication entities and have flexibility to be mobile during communication. The current GSM and CDMA technologies offers Mobile Communication.
Are radio phones the same as mobile phones?
A radio phone or radio telephone is typically a simplex mode of communication system, which allows one person to talk and the other to listen alternately. A mobile phone uses duplex mode which allows both users to talk and listen simultaneously.
What has the author John M Vanderau written?
John M. Vanderau has written: 'Mobile antennas' -- subject(s): Standards, Antennas, Equipment and supplies, Radio, Law enforcement 'A technological rationale to use higher wireless frequencies' -- subject(s): Wireless communication systems, Radio frequency, Mobile communication systems
What is the difference between Telecommunication and Mobile communication?
the difference between Telecommunication and Mobile communication that , tele related to wire communication and mobile related to wireless communication
What FCC regulation governs police radio communication?
47 CFR - Telecommunications Chapter 1 - Federal Comunications Commission Part 80 - Private Land Mobile Radio Services
