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.

Remote Radio Heads (RRH)

Radios placed on top of roof tops or towers. These are the core parts of the macroCell and Smallcell transmission technology.

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