Glossary of Radio Terms

Glossary of Radio Terms

Welcome to the DCS 2 Way Radio Glossary of Radio Terms — a practical A–Z guide to the terminology used across professional two-way radio communications.

Whether you are looking for information about two-way radios, DMR, PoC, radio repeaters, antennas, radio frequencies, talk groups, encryptionEncryption protects two-way radio communications by converting voice or data into a secure form that can only be understood by authorised radios with the correct encryption capability and keys., radio licensing or radio accessories, our glossary explains the key terms in clear, straightforward language.

Two-way radio technology covers a wide range of equipment and systems, from simple licence-free radios to advanced digital radio networks used across construction, logistics, warehousing, security, events, transport, ports and other demanding working environments. Understanding the terminology can make it easier to choose the right radio equipment and understand how different communication systems work.

Our two-way radio glossary brings together technical terms, radio features, technologies, equipment, accessories and industry-specific terminology in one place. Each definition explains what the term means, how it relates to two-way radio communication and, where relevant, how it is used in professional radio systems.

Use the A–Z index below to find a specific radio term, or browse through the glossary to build your understanding of professional radio communications.

If you are unsure which type of two-way radio systemA Radio System is a complete communication solution comprising two-way radios and, where required, equipment such as repeaters, antennas, base stations, mobile radios and network infrastructure. is right for your organisation, our team can also help you understand the options, from individual handheld radios and radio hireRadio Hire is the temporary rental of two-way radios and related communication equipment for events, projects and operational requirements, providing professional communication without purchasing the equipment. through to repeaters and wider-area communication networks.