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2. Glossary
The following abbreviations are used throughout the document:
AUT – Architecture Unique des Transmissions, which brings together all the technical rules and standards.
BIV – Vehicle Interface Box, a set of mechanical and electronic components enabling a portable TETRAPOL terminal to be used in a vehicle or in a fixed environment (support, power supply, audio accessories, etc.).
dB – Decibel, unit for measuring the ratio between two signals.
dBi – Unit of measurement expressing the gain (or attenuation) of an antenna relative to an isotropic source.
dBm – Unit of measurement expressing power relative to a reference of innVV.
DGSCGC – Direction Générale de la Sécurité Civile...
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