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

    Jun 7, 2023 · Radio frequencies make modern communications possible. Learn about the radio frequency spectrum and how RF bands are used and regulated.

  3. What is RF? Understanding Radio Frequency Basics

    In this guide, we will explore how RF systems behave in real-world applications, the tools you need to tackle common RF problems, and practical techniques to achieve better results.

  4. What Is RF? - Computer Hope

    Mar 15, 2025 · Short for Radio Frequency, RF refers to the oscillation rate of alternating electric voltage or current of a system in the frequency range of approximately 20 kHz to 300 GHz.

  5. 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 …

  6. 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 …

  7. 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 …

  8. 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.

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

    Oct 25, 2024 · RF energy is transmitted and received using antennas. When an electric current moves through an antenna, it creates electromagnetic waves that propagate through space.

  10. RF Signal Definition - College Physics I – Introduction Key Term | Fiveable

    An RF (Radio Frequency) signal is an electromagnetic wave that oscillates at radio frequencies, typically between 3 kHz and 300 GHz. These signals are used for various applications in the context of …