COVID-19: As a designated essential telecom solutions provider, EXFO remains fully operational with our employees' health and safety as our top priority.

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Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.

Radio Frequency (RF)

Electromagnetic carrier waves upon which audio, video or data signals can be superimposed for transmission.

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