Pagers have been invented in 1949 in New York. Originally intended for paging doctors were soon to be disturbing, as doctors feared that the device was uncomfortable and patients could be switched off during leisure hours. Today, the pager is used widely in the profession that are used in large, and several other emergency and rapid response units determined.
The paging system is a means of wireless communicationsend short messages to subscribers. This is a one-way street, with the base station sends messages to all subscribers. The message is also known as a page.
Until recently, only to receive pager messages were available. However, these days, two-way pagers to promote two-way communication. They use many repeaters in a given coverage area. This ensures that the pager with a miniature antenna site of a limit of at least one of each amplifierin the coverage area.
Type:
There are two types of paging systems, which are:
Manual Paging System: In this system, the caller sends a message to the paging operator by phone. Then the operator sends the paging message to the pager, the paging network.
Automatic paging: these are often used by the participants. The paging terminal automatically processes the incoming message and sends it to the pager of the pagingNetwork
The use of satellite networks for communication, the paging system continues even in times of crisis, when terrestrial networks go because of overcrowding. Each paging terminal can handle up to 1 million pagers.
In addition, the pager battery life of six weeks after the post again. As a result, pagers are far more effective as a means of communication during emergencies, and therefore are widely used, despite the ready availability of mobile phones.
No comments:
Post a Comment