Radiocomunication
Main features to consider when choosing a radio
Digital vs Analog
Digital radio offers more advantages than analog:
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Better voice quality over greater distance, clearly, without static, noise or distortion.
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Greater capacity and privacy
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Longer battery life.
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Greater reach, your voice stays clear and strong throughout the coverage area.
Coverage
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In urban areas, the UHF band is recommended, the signal has greater penetration in buildings, tress, etc.
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In suburban areas, VHF radios are recommended, since they have powers of 5W in portables and 50W in mobiles.
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It is considered that the coverage distance of the radios is a function of their output power in watts as well as the type of area where the communication is carried out.
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If more coverage is needed in your radio, you can use a repeater equipment that could cover up to 30 miles.
Work Areas
Conventional two way radios:
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They are the best sellers, an excellent, easy and immediate communication solution to coordinate works teams. They are the most used in hotels, by security guards, event coordination, etc.
Intrinsically safe equipment: -
Equipment design with a high level of protection and low standards that allow it to work in risk environments such as mines, chemical, food, wood industrie, etc.
Protocols
There are different types of digital technologies, for example:
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The NXDN stranded protocol offers greater coverage and penetration that any other technology, communications are flexible and with growth capacity. It is the best solution comparing price/quality.
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DMR. Its main function is to take advantage of the resources without the need for a major investment, a repeater is capable of handling two simultaneous calls and will be sufficient for small and medium workgroups.