radio frequency

n. Abbr. RF

1. The frequency of the waves transmitted by a specific radio station.

2. A frequency within the range at which radio waves are transmitted, conventionally from 3 hertz to 300 megahertz, immediately below the range of microwave frequencies in the electromagnetic spectrum.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

radio frequency

1. (Telecommunications)

a. a frequency or band of frequencies that lie in the range 10 kilohertz to 300 000 megahertz and can be used for radio communications and broadcasting. Abbreviations: rf or RF See also frequency band

b. (as modifier): a radio-frequency amplifier.

2. (Broadcasting) the frequency transmitted by a particular radio station

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

radio frequency

A frequency at which radio waves can be transmitted, ranging from extremely low frequency (below 3000 hertz) to extremely high frequency (between 30 and 300 gigahertz).

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

radio frequency - an electromagnetic wave frequency between audio and infrared

station - the frequency assigned to a broadcasting station

extremely low frequency, ELF - below 3 kilohertz

very low frequency, VLF - 3 to 30 kilohertz

LF, low frequency - 30 to 300 kilohertz

medium frequency, MF - 300 to 3000 kilohertz

high frequency, HF - 3 to 30 megahertz

very high frequency, VHF - 30 to 300 megahertz

UHF, ultrahigh frequency - 300 to 3000 megahertz

SHF, superhigh frequency - 3 to 30 gigahertz

EHF, extremely high frequency - 30 to 300 gigahertz

electromagnetic spectrum - the entire frequency range of electromagnetic waves

frequence, frequency, oftenness - the number of occurrences within a given time period; "the frequency of modulation was 40 cycles per second"; "the frequency of his seizures increased as he grew older"

Mentioned in

References in periodicals archive

In addition, the funding includes $100,000 for SDDC to incorporate 10,000 Radio Frequency tags in its operations.

Growth in use of RFID tags changes SDDC surface movements

As the Healthcare Security Division of Instantel Inc., Xmark has established a worldwide reputation for providing its customers with practical, reliable products based on proven radio frequency technology.

Let Xmark take care of your residents' security, so you can take care of them

John Moulder, a professor of radiation oncology at the Medical College of Wisconsin who has followed the scientific literature on radio frequency radiation for several decades, believes the parents have been frightened by an unrepresentative sample of the research.

WiFoes: radio signals make waves

Hallman is checking out use of radio frequency treatment of citrus against the Mexican fruit fly.

Radio frequency puts the heat on plant pests

Here, it is perhaps worth noting that the architecture is compatible with the ITT High Power Remote Transmitter (HPTR) radio frequency countermeasures unit installed aboard such helicopters.

Norway selects SIRFC for NH 90 helicopters. (International Report)

The Information & Communications Council recommended PC users be allowed to connect their PCs to the Web in the radio frequency band of the 5 gigahertz level, the Ministry of Public Management, Home Affairs, Posts and Telecommunications said.

Panel recommends technical norms for outdoor PC-Web connection

The ownership and management of any property having antennas, particularly multiple antennas, located on the roof or on the side of the building such as cellular telephone antennas, Personal Communications System (PCS) digital antennas, pager system antennas, radio or television station antennas, microwave antennas or any other antennas on their building must be concerned with radio frequency radiation (RFR) issues.

Owner should be proactive in addressing antenna issues

A government emergency medicine initiative to transport doctors to accident sites by helicopter has been grounded by bureaucratic bickering over the use of a radio frequency band to facilitate coordination of such operations, government sources said Tuesday.

Bureaucrats' bickering mars Japan emergency medicine plan

These challenges have not impeded the widespread adoption of cellular services because voice is not as sensitive to the vagaries of the RF (radio frequency) environment.

Fast-Hopped OFDM Technology Offers A New Opportunity For Mobile Broadband

At its 30 June 2000 meeting, the Executive Committee of the National Toxicology Program (NTP) approved a recommendation for the NTP to study radio frequency radiation emissions from wireless communication devices, which include cellular phones.

NTP May Test Cell Phones

The patent describes a tampon assembly including an absorbent body that is insertable into a vagina and a radio frequency identification device that is implemented in contact with the body.

Tampon Wetness Detection System

Radio frequency problems at Boston's Logan Airport caused 15-minute delays on Tuesday 16 May and forced air traffic controllers to use backup handheld radios to communicate with pilots.

Delays caused by radio problems at Logan Airport