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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? 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.

  3. 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.

  4. 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 …

  5. 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.

  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. 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 …

  8. 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.

  9. 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 …

  10. 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.