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Encryption of TETRA radio systems and the ethical questions of decoding

TETRA (Terrestrial Trunked Radio) is a digital radio communication standard used worldwide by government, emergency, and critical infrastructure organizations such as police, fire brigades, ambulance services, military units, railways, and utility providers. A key feature of such networks is robust, encrypted communication that protects against eavesdropping and misuse. In recent years, however, several researchers and…

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How does radio communication work in emergencies?

Radio communication plays a critical role in saving lives and maintaining communication during emergencies when conventional communication infrastructures are paralyzed or cease to function. Whether it’s a natural disaster, an attack, or a technical failure, radio communication provides a secure and efficient method to keep information flowing. In this article, we will provide a detailed…

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