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Glossary

Term

Acronym

Explanation

Appareils destinés à être utilisés en ATmosphères EXplosibles

ATEX

Two directives from the European Commission dealing with equipment for use in potentially explosive atmospheres.

Code plug

 

Radio configuration file that contains the operating frequencies and other parameters that define a radio's operating and control mechanisms.

Equipment and Protective Systems Intended for Use in Potentially Explosive Atmospheres Regulations 1996

EPS

Regulations that implement the European Union (EU) Explosive Atmospheres Directive 94/9/EC (ATEX) within the UK.

European Telecommunications Standards Institute

ETSI

Body that produces globally-applicable standards for information and communications technologies (ICT), including fixed, mobile, radio, converged, broadcast and Internet technologies.

Frequency

 

The waveband at which radio signals are broadcast or transmitted.

International Telecommunication Union

ITU

Specialised agency of the United Nations (UN) that is responsible for issues that concern information and communication technologies.

Ofcom

 

The UK’s communications regulator.

Propagation

 

Transmission of motion, light, sound, etc. in a particular direction or through a medium.

Public Safety Spectrum Policy Group

PSSPG

A standing government inter-departmental committee on emergency and public safety spectrum matters.

Spectrum

 

Collective term referring to the entire range and scope of frequencies of electromagnetic radiation

Vocoder

 

A synthesizer that produces sounds from an analysis of speech input