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  1. Radio frequency - Wikipedia

    Radio frequency (RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency [1] range from around 20 kHz …

  2. Regions Financial Corporation (RF) - Yahoo Finance

    Find the latest Regions Financial Corporation (RF) stock quote, history, news and other vital information to help you with your stock trading and investing.

  3. RADIO FREQUENCY Definition & Meaning - Merriam-Webster

    Dec 18, 2025 · The meaning of RADIO FREQUENCY is any of the electromagnetic wave frequencies that lie in the range extending from below 3 kilohertz to about 300 gigahertz and that include the …

  4. What is RF? A radio frequency spectrum guide - Arrow.com

    Jun 7, 2023 · The radio frequency (RF) spectrum is all around us, unseen, transmitting natural and man-made signals at a mind-boggling…frequency. This article answers the question, “What is RF?” and …

  5. What Is RF and Why Do We Use It? - All About Circuits

    “RF” refers to the use of electromagnetic radiation for transferring information between two circuits that have no direct electrical connection. Time-varying voltages and currents generate electromagnetic …

  6. What is radio frequency (RF, rf)? - Definition from WhatIs.com

    Feb 25, 2021 · Radio frequency (RF, rf) measures electromagnetic radio waves, and using antennas and transmitters, it can be used for wireless broadcasting and communications.

  7. What Is RF? - Computer Hope

    Mar 15, 2025 · Short for royalty-free, RF is a licensing model where one user may be allowed to use another user's intellectual property without paying a fee for each use. That said, most royalty-free …

  8. Radio Waves or Radio-Frequency Radiation - Science Notes and Projects

    Jun 18, 2025 · They propagate by ground waves, skywaves, and line-of-sight. Principal uses include broadcasting, mobile telephony, Wi-Fi, radar, satellite links, radio astronomy, RFID, and remote …

  9. What is Radio Frequency (RF)? - OneSDR - Technology

    Oct 25, 2024 · Radio Frequency (RF) is a term used to describe electromagnetic waves within a specific range of the electromagnetic spectrum. Here’s a comprehensive overview of radio frequency

  10. RF 101: Understanding the Basics of Radio Frequency, Part I

    Nov 27, 2023 · Beyond its civilian applications, RF technology permeates military operations, playing a vital role in communication, surveillance, and signals intelligence (SIGINT). Throughout this series, …