two-channel simplex
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Channel (communications) — Old telephone wires are a challenging communications channel for modern digital communications. In telecommunications and computer networking, a communication channel, or channel, refers either to a physical transmission medium such as a wire, or … Wikipedia
Simplex communication — is a name for a type of communication circuit. There are two (contradictory) definitions that have been used for the term. When one definition is used for simplex , then the other definition is actually referred to as half duplex .One way only –… … Wikipedia
Simplex signaling — (SX): Signaling in which two conductors are used for a single channel, and a center tapped coil, or its equivalent, is used to split the signaling current equally between the two conductors. Note: SX signaling may be one way, for intra central… … Wikipedia
Two-way radio — receiver which only receives content. Two way radios are available in mobile, stationary base and hand held portable configurations. Hand held radios are often called walkie talkies or handie talkies. A push to talk or Press To Transmit button is … Wikipedia
simplex (SX) signaling — Signaling using two conductors for a single channel. A center tapped coil or its equivalent is used at both ends for this purpose … IT glossary of terms, acronyms and abbreviations
Television broadcasting in Australia — began on the 16 September 1956 in black and white at TCN 9 in Sydney, and has since expanded to include a broad range of public, commercial, community, subscription, narrowcast and amateur stations across the country.Colour television was… … Wikipedia
Data transmission — Data transmission, digital transmission, or digital communications is the physical transfer of data (a digital bit stream) over a point to point or point to multipoint communication channel. Examples of such channels are copper wires, optical… … Wikipedia
Surge Radio — Infobox Radio Station name = Surge Radio area = Lancaster, California branding = Surge Radio slogan = Respect The Music! airdate = December 2000 format = New Indie Music owner = XRQK website = [http://www.surgeradio.org/… … Wikipedia
Radio communications during the September 11 attacks — This article reviews some of the details of radio communications at the September 11, 2001 World Trade Center attacks. [The purpose of revealing the operational details in this article is to allow operators of other communications networks and… … Wikipedia
Duplex (telecommunications) — A duplex communication system is a system composed of two connected parties or devices that can communicate with one another in both directions. The term multiplexing is used when describing communication between more than two parties or devices … Wikipedia
drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… … Universalium
