2012年12月25日星期二

Police wireless radios

Police wireless 2 way radios are designed for public security, procuratorial, judicial, safety, court, customs, army, armed police eight department for wireless communications business contact with radio. National radio management departments in order to ensure the above special department communications business security, special planning out several group for its use frequency, frequency range from 350 to 390 MHz, of which 350 MHz to 370 MHz is mainly used for public security systems use. This period is called 350 MHz low frequency inline. 370 MHz to 390 MHz for other departments to use, this a frequency inline known as the 350 MHz high-end. This kind of radio 350 MHz collectively referred to as police radio. Because of the particularity of the police business, the use of the working environment, use requirements, and its communications business properties and other ordinary intercom or different. In addition to reliability, durable sex good, but also police radio to strong demand function, performance is superior, strong to strong, can shock, prevent bump, even light, easy to use, battery capacity, and standby time to long, some departments have special requirements, such as have communications confidential technology.
Police interphone are divided into conventional communication and cluster communication. And in the use of conventional communication, divided into specialized communication in use and the network in use. In the cluster communication also divided into MPT1327 signaling cluster system and other formats cluster system. The public security system in use is the most number of police radio.

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