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51 relations: Aironet ARLAN, Aironet Wireless Communications, Alvarion, Amateur radio, Amateur television, Antenna (radio), Cellular frequencies, Co-channel interference, Cognitive radio, Continuous wave, Cordless telephone, E. F. Johnson Company, EDACS, Effective radiated power, Electric field, EXtreme Radio Service, Federal Communications Commission, Frequency, Frequency modulation, Frequency-hopping spread spectrum, Global Positioning System, Height above average terrain, Hertz, ISM band, ITU Region, Kenwood Corporation, Line-of-sight propagation, Mobile phone radiation and health, MOTO Talk, Motorola Canopy, New Zealand, Nextel Communications, Noise floor, PAVE PAWS, Power density, Push-to-talk, Radio, Repeater, Ricochet (Internet service), Sensitivity (electronics), Single-sideband modulation, Title 47 CFR Part 15, Transverter, Ultra high frequency, WARC bands, WaveLAN, Wavelength, Wireless Internet service provider, XG Technology, 1.25-meter band, ..., 70-centimeter band. Expand index (1 more) »
Aironet ARLAN
ARLAN is a family of both proprietary non-802.11 and 802.11-compliant wireless networking technologies developed and marketed by Aironet Wireless Communications in the 1990s prior to Aironet's acquisition by Cisco Systems.
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Aironet Wireless Communications
Cisco Aironet is a maker of wireless networking equipment currently operated as a division of Cisco Systems.
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Alvarion
Alvarion Technologies is a global provider of autonomous Wi-Fi networks designed with self-organizing capabilities, and solutions for Carrier Wi-Fi, Enterprise Connectivity, Smart city, Smart Hospitality, Connected Campuses and Connected Events.
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Amateur radio
Amateur radio, also known as ham radio, describes the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communication.
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Amateur television
Amateur television (ATV) is the transmission of broadcast quality video and audio over the wide range of frequencies of radio waves allocated for radio amateur (Ham) use.
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Antenna (radio)
In radio, an antenna is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver.
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Cellular frequencies
Cellular frequencies are the sets of frequency ranges within the ultra high frequency band that have been assigned for cellular-compatible mobile devices, such as mobile phones, to connect to cellular networks.
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Co-channel interference
Co-channel interference or CCI is crosstalk from two different radio transmitters using the same channel.
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Cognitive radio
A cognitive radio (CR) is a radio that can be programmed and configured dynamically to use the best wireless channels in its vicinity to avoid user interference and congestion.
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Continuous wave
A continuous wave or continuous waveform (CW) is an electromagnetic wave of constant amplitude and frequency, almost always a sine wave, that for mathematical analysis is considered to be of infinite duration.
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Cordless telephone
A cordless telephone or portable telephone is 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.
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E. F. Johnson Company
EFJohnson Technologies is a two-way radio manufacturer founded by its namesake, Edgar.
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EDACS
The Enhanced Digital Access Communication System (EDACS) is a radio communications protocol and product family invented in the General Electric Corporation in the mid 1980s.
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Effective radiated power
Effective radiated power (ERP), synonymous with equivalent radiated power, is an IEEE standardized definition of directional radio frequency (RF) power, such as that emitted by a radio transmitter.
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Electric field
An electric field is a vector field surrounding an electric charge that exerts force on other charges, attracting or repelling them.
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EXtreme Radio Service
eXtreme Radio Service (eXRS) is a proprietary personal communication technology marketed by TriSquare in the United States.
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Federal Communications Commission
The Federal Communications Commission (FCC) is an independent agency of the United States government created by statute (and) to regulate interstate communications by radio, television, wire, satellite, and cable.
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Frequency
Frequency is the number of occurrences of a repeating event per unit of time.
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Frequency modulation
In telecommunications and signal processing, frequency modulation (FM) is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave.
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Frequency-hopping spread spectrum
Frequency-hopping spread spectrum (FHSS) is a method of transmitting radio signals by rapidly switching a carrier among many frequency channels, using a pseudorandom sequence known to both transmitter and receiver.
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Global Positioning System
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Air Force.
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Height above average terrain
Height above average terrain (HAAT) (or less popularly, EHAAT, Effective Height Above Average Terrain) is a measure of how high an antenna site is above the surrounding landscape.
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Hertz
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
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ISM band
The industrial, scientific and medical (ISM) radio bands are radio bands (portions of the radio spectrum) reserved internationally for the use of radio frequency (RF) energy for industrial, scientific and medical purposes other than telecommunications.
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ITU Region
The International Telecommunication Union (ITU), in its International Radio Regulations, divides the world into three ITU regions for the purposes of managing the global radio spectrum.
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Kenwood Corporation
is a Japanese company that designs, develops and markets a range of car audio, Hi-Fi home and personal audio, professional two-way radio communications equipment and amateur radio ("ham") equipment.
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Line-of-sight propagation
Line-of-sight propagation is a characteristic of electromagnetic radiation or acoustic wave propagation which means waves travel in a direct path from the source to the receiver.
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Mobile phone radiation and health
The effect of mobile phone radiation on human health is a subject of interest and study worldwide, as a result of the enormous increase in mobile phone usage throughout the world.
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MOTO Talk
MOTO Talk is a feature on some Motorola iDEN cellular phone handsets which allows users to make short-range 'push-to-talk' calls to other such handsets without being on the iDEN network.
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Motorola Canopy
Motorola Canopy is a fixed wireless networking system designed for wireless Internet service providers to provide Internet access.
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New Zealand
New Zealand (Aotearoa) is a sovereign island country in the southwestern Pacific Ocean.
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Nextel Communications
Nextel Communications, Inc. was a wireless service operator that merged with and continues to exist as a wholly owned subsidiary of Sprint Corporation.
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Noise floor
In signal theory, the noise floor is the measure of the signal created from the sum of all the noise sources and unwanted signals within a measurement system, where noise is defined as any signal other than the one being monitored.
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PAVE PAWS
The PAVE PAWS (Precision Acquisition Vehicle Entry Phased Array Warning System) is an elaborate Cold War early warning radar and computer system developed in 1980 to "detect and characterize a sea-launched ballistic missile attack against the United States".
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Power density
Power density (or volume power density or volume specific power) is the amount of power (time rate of energy transfer) per unit volume.
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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.
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Radio
Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.
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Repeater
In telecommunications, a repeater is an electronic device that receives a signal and retransmits it.
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Ricochet (Internet service)
Ricochet was one of the pioneering wireless Internet access services in the United States, before Wi-Fi, 3G, and other technologies were available to the general public.
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Sensitivity (electronics)
The sensitivity of an electronic device, such as a communications system receiver, or detection device, such as a PIN diode, is the minimum magnitude of input signal required to produce a specified output signal having a specified signal-to-noise ratio, or other specified criteria.
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Single-sideband modulation
In radio communications, single-sideband modulation (SSB) or single-sideband suppressed-carrier modulation (SSB-SC) is a type of modulation, used to transmit information, such as an audio signal, by radio waves.
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Title 47 CFR Part 15
Code of Federal Regulations, Title 47, Part 15 (47 CFR 15) is an oft-quoted part of Federal Communications Commission (FCC) rules and regulations regarding unlicensed transmissions.
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Transverter
;In radio engineering: a transverter is a radio frequency device that consists of an upconverter and a downconverter in one unit.
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Ultra high frequency
Ultra high frequency (UHF) is the ITU designation for radio frequencies in the range between 300 megahertz (MHz) and 3 gigahertz (GHz), also known as the decimetre band as the wavelengths range from one meter to one decimeter.
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WARC bands
The WARC bands are three portions of the shortwave radio spectrum used by licensed and/or certified amateur radio operators.
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WaveLAN
WaveLAN was a brand name for a family of wireless networking technology sold by NCR, AT&T, and Lucent, as well as being sold by other companies under OEM agreements.
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Wavelength
In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.
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Wireless Internet service provider
A wireless Internet service provider (WISP) is an Internet service provider with a network based on wireless networking.
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XG Technology
xG Technology, Inc. is a developer of technology for wireless communications and spectrum sharing.
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1.25-meter band
The 1.25 meter, 220 MHz or 222 MHz band is a portion of the VHF radio spectrum internationally allocated for amateur radio use on a primary basis in ITU Region 2, and it comprises frequencies from 220 MHz to 225 MHz.
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70-centimeter band
The 70-centimeter or 440 MHz band is a portion of the UHF radio spectrum internationally allocated to amateur radio and amateur satellite use.
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Redirects here:
33 centimeter, 33 centimeter band, 33 centimeters, 33 cm band, 33cm, 900MHZ, 900MHz, 900mhz.
References
[1] https://en.wikipedia.org/wiki/33-centimeter_band
