Table of Contents
76 relations: ADSL, Amateur radio, Asymmetry, Azores, Baby monitor, Bandwidth (signal processing), Bluetooth, Broadcasting, Carrier wave, Carrier-sense multiple access, CDMA2000, Cellular network, Central processing unit, Channel access method, Closed-circuit television camera, Collision (telecommunications), Communication channel, Communications system, Crossband operation, Digital enhanced cordless telecommunications, Digital subscriber line, Double-track railway, Duplex (telecommunications), Duplex mismatch, Duplexer, Echo suppression and cancellation, Electronic circuit, Ethernet, Ethernet hub, Four-wire circuit, Frequency, G.fast, Garage door opener, Gigabit Ethernet, Hybrid transformer, IEEE 802.16, International Telecommunication Union, ITU-T, Latency (engineering), List of ITU-T V-series recommendations, LTE (telecommunication), Mobile phone, Mobile technology, Modem, Multiplexing, National Fire Protection Association, Newfoundland (island), Packet switching, PACTOR, Plain old telephone service, ... Expand index (26 more) »
ADSL
Asymmetric digital subscriber line (ADSL) is a type of digital subscriber line (DSL) technology, a data communications technology that enables faster data transmission over copper telephone lines than a conventional voiceband modem can provide.
See Duplex (telecommunications) and ADSL
Amateur radio
Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communications.
See Duplex (telecommunications) and Amateur radio
Asymmetry
Asymmetry is the absence of, or a violation of, symmetry (the property of an object being invariant to a transformation, such as reflection).
See Duplex (telecommunications) and Asymmetry
Azores
The Azores (Açores), officially the Autonomous Region of the Azores (Região Autónoma dos Açores), is one of the two autonomous regions of Portugal (along with Madeira).
See Duplex (telecommunications) and Azores
Baby monitor
A baby monitor, also known as a baby alarm, is a radio system used to remotely listen to sounds made by an infant.
See Duplex (telecommunications) and Baby monitor
Bandwidth (signal processing)
Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies.
See Duplex (telecommunications) and Bandwidth (signal processing)
Bluetooth
Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs).
See Duplex (telecommunications) and Bluetooth
Broadcasting
Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum (radio waves), in a one-to-many model.
See Duplex (telecommunications) and Broadcasting
Carrier wave
In telecommunications, a carrier wave, carrier signal, or just carrier, is a periodic waveform (usually sinusoidal) that carries no information that has one or more of its properties modified (the called modulation) by an information-bearing signal (called the message signal or modulation signal) for the purpose of conveying information. Duplex (telecommunications) and carrier wave are communication circuits.
See Duplex (telecommunications) and Carrier wave
Carrier-sense multiple access
Carrier-sense multiple access (CSMA) is a medium access control (MAC) protocol in which a node verifies the absence of other traffic before transmitting on a shared transmission medium, such as an electrical bus or a band of the electromagnetic spectrum.
See Duplex (telecommunications) and Carrier-sense multiple access
CDMA2000
CDMA2000 (also known as C2K or IMT Multi‑Carrier (IMT‑MC)) is a family of 3G mobile technology standards for sending voice, data, and signaling data between mobile phones and cell sites.
See Duplex (telecommunications) and CDMA2000
Cellular network
A cellular network or mobile network is a telecommunications network where the link to and from end nodes is wireless and the network is distributed over land areas called cells, each served by at least one fixed-location transceiver (typically three cell sites or base transceiver stations).
See Duplex (telecommunications) and Cellular network
Central processing unit
A central processing unit (CPU), also called a central processor, main processor, or just processor, is the most important processor in a given computer.
See Duplex (telecommunications) and Central processing unit
Channel access method
In telecommunications and computer networks, a channel access method or multiple access method allows more than two terminals connected to the same transmission medium to transmit over it and to share its capacity.
See Duplex (telecommunications) and Channel access method
Closed-circuit television camera
A closed-circuit television camera is a type of surveillance camera that transmits video signals to a specific set of monitors or video recording devices, rather than broadcasting the video over public airwaves.
See Duplex (telecommunications) and Closed-circuit television camera
Collision (telecommunications)
A collision is the situation that occurs when two or more demands are made simultaneously on equipment that can handle only one at any given instant.
See Duplex (telecommunications) and Collision (telecommunications)
Communication channel
A communication channel refers either to a physical transmission medium such as a wire, or to a logical connection over a multiplexed medium such as a radio channel in telecommunications and computer networking.
See Duplex (telecommunications) and Communication channel
Communications system
A communications system or communication system is a collection of individual telecommunications networks systems, relay stations, tributary stations, and terminal equipment usually capable of interconnection and interoperation to form an integrated whole.
See Duplex (telecommunications) and Communications system
Crossband operation
Crossband (cross-band, cross band) operation is a method of telecommunication in which a radio station receives signals on one frequency and simultaneously transmits on another for the purpose of full duplex communication or signal relay.
See Duplex (telecommunications) and Crossband operation
Digital enhanced cordless telecommunications
Digital Enhanced Cordless Telecommunications (DECT) is a cordless telephony standard maintained by ETSI.
See Duplex (telecommunications) and Digital enhanced cordless telecommunications
Digital subscriber line
Digital subscriber line (DSL; originally digital subscriber loop) is a family of technologies that are used to transmit digital data over telephone lines.
See Duplex (telecommunications) and Digital subscriber line
Double-track railway
A double-track railway usually involves running one track in each direction, compared to a single-track railway where trains in both directions share the same track.
See Duplex (telecommunications) and Double-track railway
Duplex (telecommunications)
A duplex communication system is a point-to-point system composed of two or more connected parties or devices that can communicate with one another in both directions. Duplex (telecommunications) and duplex (telecommunications) are communication circuits.
See Duplex (telecommunications) and Duplex (telecommunications)
Duplex mismatch
On an Ethernet connection, a duplex mismatch is a condition where two connected devices operate in different duplex modes, that is, one operates in half duplex while the other one operates in full duplex.
See Duplex (telecommunications) and Duplex mismatch
Duplexer
A duplexer is an electronic device that allows bi-directional (duplex) communication over a single path.
See Duplex (telecommunications) and Duplexer
Echo suppression and cancellation
Echo suppression and echo cancellation are methods used in telephony to improve voice quality by preventing echo from being created or removing it after it is already present. Duplex (telecommunications) and echo suppression and cancellation are communication circuits.
See Duplex (telecommunications) and Echo suppression and cancellation
Electronic circuit
An electronic circuit is composed of individual electronic components, such as resistors, transistors, capacitors, inductors and diodes, connected by conductive wires or traces through which electric current can flow.
See Duplex (telecommunications) and Electronic circuit
Ethernet
Ethernet is a family of wired computer networking technologies commonly used in local area networks (LAN), metropolitan area networks (MAN) and wide area networks (WAN).
See Duplex (telecommunications) and Ethernet
Ethernet hub
An Ethernet hub, active hub, network hub, repeater hub, multiport repeater, or simply hub is a network hardware device for connecting multiple Ethernet devices together and making them act as a single network segment.
See Duplex (telecommunications) and Ethernet hub
Four-wire circuit
In telecommunication, a four-wire circuit is a two-way circuit using two paths so arranged that the respective signals are transmitted in one direction only by one path and in the other direction by the other path. Duplex (telecommunications) and four-wire circuit are communication circuits.
See Duplex (telecommunications) and Four-wire circuit
Frequency
Frequency (symbol f), most often measured in hertz (symbol: Hz), is the number of occurrences of a repeating event per unit of time.
See Duplex (telecommunications) and Frequency
G.fast
G.fast is a digital subscriber line (DSL) protocol standard for local loops shorter than 500 meters, with performance targets between 100 Mbit/s and 1 Gbit/s, depending on loop length.
See Duplex (telecommunications) and G.fast
Garage door opener
A garage door opener is a motorized device that opens and closes a garage door controlled by switches on the garage wall.
See Duplex (telecommunications) and Garage door opener
Gigabit Ethernet
In computer networking, Gigabit Ethernet (GbE or 1 GigE) is the term applied to transmitting Ethernet frames at a rate of a gigabit per second.
See Duplex (telecommunications) and Gigabit Ethernet
Hybrid transformer
A hybrid transformer (also known as a bridge transformer, hybrid coil, or just hybrid) is a type of directional coupler which is designed to be configured as a circuit having four ports that are conjugate in pairs, implemented using one or more transformers.
See Duplex (telecommunications) and Hybrid transformer
IEEE 802.16
IEEE 802.16 is a series of wireless broadband standards written by the Institute of Electrical and Electronics Engineers (IEEE).
See Duplex (telecommunications) and IEEE 802.16
International Telecommunication Union
The International Telecommunication Union (ITU)French: Union Internationale des Télécommunications is a specialized agency of the United Nations responsible for many matters related to information and communication technologies.
See Duplex (telecommunications) and International Telecommunication Union
ITU-T
The International Telecommunication Union Telecommunication Standardization Sector (ITU-T) is one of the three Sectors (branches) of the International Telecommunication Union (ITU).
See Duplex (telecommunications) and ITU-T
Latency (engineering)
Latency, from a general point of view, is a time delay between the cause and the effect of some physical change in the system being observed.
See Duplex (telecommunications) and Latency (engineering)
List of ITU-T V-series recommendations
The ITU-T V-Series Recommendations on Data communication over the telephone network specify the protocols that govern approved modem communication standards and interfaces.
See Duplex (telecommunications) and List of ITU-T V-series recommendations
LTE (telecommunication)
In telecommunications, long-term evolution (LTE) is a standard for wireless broadband communication for mobile devices and data terminals, based on the GSM/EDGE and UMTS/HSPA standards.
See Duplex (telecommunications) and LTE (telecommunication)
Mobile phone
A mobile phone or cell 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, as opposed to a fixed-location phone (landline phone).
See Duplex (telecommunications) and Mobile phone
Mobile technology
Mobile technology is the technology used for cellular communication.
See Duplex (telecommunications) and Mobile technology
Modem
A modulator-demodulator or most commonly referred to as modem is a computer hardware device that converts data from a digital format into a format suitable for an analog transmission medium such as telephone or radio.
See Duplex (telecommunications) and Modem
Multiplexing
In telecommunications and computer networking, multiplexing (sometimes contracted to muxing) is a method by which multiple analog or digital signals are combined into one signal over a shared medium.
See Duplex (telecommunications) and Multiplexing
National Fire Protection Association
The National Fire Protection Association (NFPA) is a U.S.-based international nonprofit organization devoted to eliminating death, injury, property, and economic loss due to fire, electrical, and related hazards.
See Duplex (telecommunications) and National Fire Protection Association
Newfoundland (island)
Newfoundland (Terre-Neuve) is a large island within the Canadian province of Newfoundland and Labrador.
See Duplex (telecommunications) and Newfoundland (island)
Packet switching
In telecommunications, packet switching is a method of grouping data into short messages in fixed format, i.e. packets, that are transmitted over a digital network.
See Duplex (telecommunications) and Packet switching
PACTOR
PACTOR is a radio modulation mode used by amateur radio operators, marine radio stations, military or government users such as the US Department of Homeland Security, and radio stations in isolated areas to send and receive digital information via radio.
See Duplex (telecommunications) and PACTOR
Plain old telephone service
Plain Old Telephone Service (POTS), or Plain Ordinary Telephone System, is a retronym for voice-grade telephone service employing analog signal transmission over copper loops.
See Duplex (telecommunications) and Plain old telephone service
Point-to-multipoint communication
In telecommunications, point-to-multipoint communication (P2MP, PTMP or PMP) is communication which is accomplished via a distinct type of one-to-many connection, providing multiple paths from a single location to multiple locations.
See Duplex (telecommunications) and Point-to-multipoint communication
Point-to-point (telecommunications)
In telecommunications, a point-to-point connection refers to a communications connection between two communication endpoints or nodes.
See Duplex (telecommunications) and Point-to-point (telecommunications)
Push-to-talk
Push-to-talk (PTT), also known as press-to-transmit, is a method of having conversations or talking on half-duplex communication lines, including two-way radio, using a momentary button to switch from voice reception mode to transmit mode.
See Duplex (telecommunications) and Push-to-talk
Radio receiver
In radio communications, a radio receiver, also known as a receiver, a wireless, or simply a radio, is an electronic device that receives radio waves and converts the information carried by them to a usable form.
See Duplex (telecommunications) and Radio receiver
Radio resource management
Radio resource management (RRM) is the system level management of co-channel interference, radio resources, and other radio transmission characteristics in wireless communication systems, for example cellular networks, wireless local area networks, wireless sensor systems, and radio broadcasting networks.
See Duplex (telecommunications) and Radio resource management
Repeater
In telecommunications, a repeater is an electronic device that receives a signal and retransmits it.
See Duplex (telecommunications) and Repeater
Spectral efficiency
Spectral efficiency, spectrum efficiency or bandwidth efficiency refers to the information rate that can be transmitted over a given bandwidth in a specific communication system.
See Duplex (telecommunications) and Spectral efficiency
Telecommunications link
In a telecommunications network, a link is a communication channel that connects two or more devices for the purpose of data transmission. Duplex (telecommunications) and telecommunications link are communication circuits.
See Duplex (telecommunications) and Telecommunications link
Telephone
A telephone, colloquially referred to as a phone, is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly.
See Duplex (telecommunications) and Telephone
Telephone hybrid
In analog telephony, a telephone hybrid is the component at the ends of a subscriber line of the public switched telephone network (PSTN) that converts between two-wire and four-wire forms of bidirectional audio paths.
See Duplex (telecommunications) and Telephone hybrid
Time-division multiplexing
Time-division multiplexing (TDM) is a method of transmitting and receiving independent signals over a common signal path by means of synchronized switches at each end of the transmission line so that each signal appears on the line only a fraction of time according to agreed rules, e.g. with each transmitter working in turn.
See Duplex (telecommunications) and Time-division multiplexing
Transatlantic telegraph cable
Transatlantic telegraph cables were undersea cables running under the Atlantic Ocean for telegraph communications.
See Duplex (telecommunications) and Transatlantic telegraph cable
Transmitter
In electronics and telecommunications, a radio transmitter or just transmitter (often abbreviated as XMTR or TX in technical documents) is an electronic device which produces radio waves with an antenna with the purpose of signal transmission up to a radio receiver.
See Duplex (telecommunications) and Transmitter
Twisted pair
Twisted pair cabling is a type of communications cable in which two conductors of a single circuit are twisted together for the purposes of improving electromagnetic compatibility. Duplex (telecommunications) and twisted pair are communication circuits.
See Duplex (telecommunications) and Twisted pair
Two-way radio
A two-way radio is a radio transceiver (a radio that can both transmit and receive radio waves), which is used for bidirectional person-to-person voice communication with other users with similar radios, in contrast to a broadcast receiver, which only receives transmissions.
See Duplex (telecommunications) and Two-way radio
Two-wire circuit
In telecommunication, a two-wire circuit is characterized by supporting transmission in two directions simultaneously, as opposed to four-wire circuits, which have separate pairs for transmit and receive. Duplex (telecommunications) and two-wire circuit are communication circuits.
See Duplex (telecommunications) and Two-wire circuit
U interface
The U interface or U reference point is a Basic Rate Interface (BRI) in the local loop of an Integrated Services Digital Network (ISDN), connecting the network terminator (NT1/2) on the customer's premises to the line termination (LT) in the carrier's local exchange, in other words providing the connection from subscriber to central office.
See Duplex (telecommunications) and U interface
UMTS
The Universal Mobile Telecommunications System (UMTS) is a third generation mobile cellular system for networks based on the GSM standard.
See Duplex (telecommunications) and UMTS
VDSL
Very high-speed digital subscriber line (VDSL) and very high-speed digital subscriber line 2 (VDSL2) are digital subscriber line (DSL) technologies providing data transmission faster than the earlier standards of asymmetric digital subscriber line (ADSL) G.992.1, G.992.3 (ADSL2) and G.992.5 (ADSL2+).
See Duplex (telecommunications) and VDSL
Walkie-talkie
A walkie-talkie, more formally known as a handheld transceiver (HT), is a hand-held, portable, two-way radio transceiver.
See Duplex (telecommunications) and Walkie-talkie
Western Union
The Western Union Company is an American multinational financial services corporation headquartered in Denver, Colorado. Founded in 1851 as the New York and Mississippi Valley Printing Telegraph Company in Rochester, New York, the company changed its name to the Western Union Telegraph Company in 1856 after merging with several other telegraph companies.
See Duplex (telecommunications) and Western Union
WiMAX
Worldwide Interoperability for Microwave Access (WiMAX) is a family of wireless broadband communication standards based on the IEEE 802.16 set of standards, which provide physical layer (PHY) and media access control (MAC) options.
See Duplex (telecommunications) and WiMAX
Wireless LAN
A wireless LAN (WLAN) is a wireless computer network that links two or more devices using wireless communication to form a local area network (LAN) within a limited area such as a home, school, computer laboratory, campus, or office building.
See Duplex (telecommunications) and Wireless LAN
Wireless microphone
A wireless microphone, or cordless microphone, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated.
See Duplex (telecommunications) and Wireless microphone
3G
3G is the third generation of wireless mobile telecommunications technology.
See Duplex (telecommunications) and 3G
4G
4G is the fourth generation of broadband cellular network technology, succeeding 3G and preceding 5G.
See Duplex (telecommunications) and 4G
References
Also known as Data transmission modes, Dual simplex, Dual-simplex, Duplex (communications), Duplex Communication, Duplex channel, Duplex conversation, Duplex telecommunications, Duplex transmission, Duplexing, Frequency division duplex, Frequency division duplexing, Frequency duplex, Frequency-Division Duplex, Full Duplex, Full-duplex, Full-duplex conversation, Full-duplexed, Half Duplex, Half duplex communication, Half-duplex, Half-duplex communication, Half-duplex conversation, Half-duplex operation, Receive/transmit transition gap, Semiduplex, Simplex (communication), Simplex Communication, Simplex channel, Simplex circuit, Simplex link, Time division duplex, Time-division duplex, Transmit/receive transition gap, Two-way simultaneous.