Background noise is one of the most important factors that affect sound transmission. It is an advantage that it is measureable and, under certain conditions, it is even possible to […]
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Noise is a combination of oscillations of various sound levels, which are irregular, loud, discordant, and undesirable. Background noise is a form of noise pollution or interference and it is […]
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The world is no longer "a tabula rasa". It is full of a busy life --- a life that, among other things, produces a new life but also carbon dioxide, heat, [...]
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Central Communications Unit A central communications unit is a modular communications device designed to communicate among several sirens within the siren network via radio. Commonly, it is used as a [...]
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The holiday of your dreams usually takes place on a faraway tropical beach, in a seaside town, with your loved ones. You close our eyes, and there you are: drinks [...]
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Lithium batteries have become the preferred energy source to power a wide variety of consumer goods, including Telegrafia’s electronic warning devices. Due to increasing safety concerns, the regulations governing the [...]
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Warning systems are usually installed in areas, which are densely inhabited. Mostly in the cities with a higher population. However, the warning systems are also installed in remote areas as [...]
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As you have read in our previous article about emergencies that might occur in schools, the global rate of violence and frequency of natural disasters are on the increase and [...]
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Sirens are designed to alert the population in case of an upcoming danger. Their primary function is to distribute alert signals that can be complemented by a voice message as [...]
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Developing a warning and notification project can be a daunting task. It is necessary to focus on a number of details: from selecting the right warning device and its acoustic [...]
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