what is a radiotelephone
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What Is a Radiotelephone? A radiotelephone is any device that is used to send voice transmissions over radio waves. A wide variety of devices fall under this definition. Many radiotelephones can relay messages through traditional land phone lines, while others are used exclusively for mobile-to-mobile wireless transmissions.
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- Supplied as an all-in-one shake, Promax lean will help you achieve a lean and defined body. Promax Lean is a blend of BioMAX whey protein s, caffeine and other active ingredients.It contains easily digestible whey protein s to provide the highest quality protein to support muscle definition. As part of a balanced routine of nutrition and training, Promax Lean can help you towards your goals.t contains easily digestible whey protein s to provide the highest quality protein to support muscle definition. As part of a balanced routine of nutrition and training, Promax Lean can help you towards your goals.
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Radio Act of 1912 The Radio Act of 1912 (Act to regulate radio communications) was a federal law that required all seafaring vessels to maintain 24-hour radio watch and keep in contact with nearby ships and coastal radio stations. Part of the impetus for the Act's passage was the sinking of the RMS Titanic.
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Telephone A rotary dial telephone, c.1940s. A telephone, or phone, is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly.he hookswitch signals to the central office that the user has picked up the handset to either answer a call or initiate a call. A dial, if present, is used by the subscriber to transmit a telephone number to the central office when initiating a call.
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- (April 2011) (Learn how and when to remove this template message) Digital mobile radio (DMR) is an open digital mobile radio standard defined in the European Telecommunications Standards Institute (ETSI) Standard TS 102 361 parts 1–4 and used in commercial products around the world.
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Is Cow Milk Healthy for Humans? Factor Out the Fat. One concern associated with milk is the amount of saturated fat it contains. However, you can eliminate the problem by choosing skim milk. The fat in 1 cup of milk ranges from a high of 8 grams in whole milk to barely a trace of fat in skim milk. The loss of fat also trims 66 calories.
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General radiotelephone operator license General radiotelephone operator license. The General Radiotelephone Operator License (GROL) is a license granted by the U.S. Federal Communications Commission (FCC).
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- What do the radio, TV, radio controlled cars, and cell phones all have in common? They all use invisible waves to transmit information. These waves, called radio waves, are a type of electromagnetic radiation. Radio waves are not harmful, in fact they are an extremely useful method of global communication.
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Professional mobile radio Motorola HT1000 hand-held two-way radio. Professional mobile radio (also known as private mobile radio (PMR) in the UK and land mobile radio (LMR) in North America) are field radio communications systems which use portable, mobile, base station, and dispatch console radios.
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telecommunications (telecom) Telecommunications, also called telecommunication, is the exchange of information over significant distances by electronic means. A complete, single telecommunications circuit consists of two stations, each equipped with a transmitter and a receiver.
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Glossary of Telecommunications Terms Glossary of Telecommunications Terms. A fee charged subscribers or other telephone companies by a local exchange carrier for the use of its local exchange networks. A signaling method that uses continuous changes in the amplitude or frequency of a radio transmission to convey information. The capacity of a telecom line to carry signals.
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Voice over IP the terms internet telephony broadband telephony and broadband phone service specifically refer to the provisioning of communications services voice fax sms voice messaging over the public internet rather than via the public switched telephone network pstn
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- A landline is a telephone that transmits signals converted from audio data through physical media, such as wire or fibre optic cable, rather than through wireless transmission as is the case with mobile phones. The term landline is also sometimes used to refer to a dedicated line, which is a permanent connection between two locations.
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Types of Radio Broadcasting Types of Radio Broadcasting. Types of Radio Broadcasting. The term broadcasting means the transmission of audio or video content using radio-frequency waves. With the recent advancements in digital technology, radio broadcasting now applies to many different types of content distribution. Today you’ve the choice of tuning in to more types of radio stations than ever before.
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What is Ham Radio Amateur Radio (ham radio) is a popular hobby and service that brings people, electronics and communication together. People use ham radio to talk across town, around the world, or even into space, all without the Internet or cell phones. It's fun, social, educational, and can be a lifeline during times of need.
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TETRA: Terrestrial Trunked Radio System - an overview, summary, or tutorial giving the basics of the way the TETRA mobile radio communications system works as a terrestrial trunked radio system in its application as a PMR, Private Mobile Radio system. TETRA Radio Tutorial Includes.
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Cordless telephone A cordless telephone or portable telephone replaces the handset cord with a radio link. The handset communicates with a base station connected to a fixed telephone line. The range is limited, usually to the same building or some short distance from the base station.
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landline Part of the Telecom glossary: A landline is a telephone that transmits signals converted from audio data through physical media, such as wire or fibre optic cable, rather than through wireless transmission as is the case with mobile phones.
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Mobile phone A mobile phone is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area. The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which provides access to the public switched telephone network (PSTN).
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Bluetooth Bluetooth is a wireless technology standard for exchanging data over short distances (using short-wavelength UHF radio waves in the ISM band from 2.4 to 2.485 GHz) from fixed and mobile devices, and building personal area networks (PANs).adio Frequency Communications (RFCOMM) is a cable replacement protocol used to generate a virtual serial data stream. RFCOMM provides for binary data transport and emulates EIA-232 (formerly RS-232) control signals over the Bluetooth baseband layer, i.e. it is a serial port emulation.
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- ShoreTel, Inc. is a telecommunications vendor providing unified communications for business. Its headquarters are in Sunnyvale, California with regional headquarters in the United Kingdom, Germany, Spain, India and Australia.
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Underwater acoustic communication Underwater acoustic communication is a technique of sending and receiving messages below water. There are several ways of employing such communication but the most common is by using hydrophones.
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Baseband Unit  (BBU) A BBU in a cellular telephone cell site is comprised of a digital signal processor to process forward voice signals for transmission to a mobile unit and to process reverse voice signals received from the mobile unit.aseband can also refer to a type of data transmission in which digital or analog data is sent over a single non-multiplexed channel. A baseband unit (BBU) is a unit that processes baseband in telecomm systems.
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How and why did Fidel Castro rise to power? In 1952 Batista returned and took power in a coup d’etat. That set a lot of revolutionary movements into play. One of those movements was led by Fidel Castro. In 1953 he led a force of about 100 men and attacked an Army barracks and killed a couple dozen soldiers and policemen. Many of Castro’s men were shot on the spot but he and his brother were able to elude capture and later negotiated a surrender.
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- Radiodelay is a tool to delay audio from your FM Radio in your TV tuner card or from an external input source. It is particulary useful for listening to sports commentary on the radio when watching TV.
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Telecommunication Telecommunication is the transmission of signs, signals, messages,words,writings, images and sounds or intelligence of any nature by wire, radio, optical or other electromagnetic systems. Telecommunication occurs when the exchange of information between communication participants includes the use of technology. It is transmitted either electrically over physical media, such as cables, or via electromagnetic radiation.