I believe that many people are familiar with wireless emergency paging, because they can be seen in places we often come into contact with. With the development of society, the development of emergency paging is getting faster and faster, so you know that emergency paging did the device develop from?What is the development history of the emergency paging? What systems are there? Early wireless emergency paging mainly used AM technology similar to wireless doorbells. Because AM technology is characterized by low cost, simple manufacturing, but unstable signals, easy to receive interference, and not suitable for large-scale wireless networking, such products It can only be used in relatively small places, so the tea house has become a customer of wireless emergency paging.
With the development of the emergency paging industry, more and more large places need such products, and the functional requirements are not only the function of calling to find someone. The application field of the wireless emergency paging is getting bigger and bigger, and the wireless emergency paging is creatively combined with the walkie-talkie to realize the voice call of the wireless emergency paging. It can be said that with the introduction and upgrading of wireless emergency paging, the combination of convenient calling and voice intercom has greatly improved the application value of wireless emergency paging and walkie-talkies. The progress of customer application value marks the progress of the product, and the wireless emergency paging has entered a new era of voice calling.