Intercom is mainly used in what areas?

Intercom is mainly applied in the public security, civil aviation, transportation, water conservancy, railways, manufacturing, construction, service, etc, used for group among the members of the contact and command scheduling, in order to improve the communication efficiency and improve the emergency ability of fast reaction. Along with the intercom into civil market, people go out tourism, shopping is also becoming increasingly use intercom. What are the main function of radio?

Please refer to the "function and term explanation".

In the mobile phone is very popular today, why do people will choose to use intercom?

This is because the intercom and mobile phone compared with many unique place:

1, speak machine from network limited, in the network not covered place, intercom can let users easy communication;

2, speak machine provide one-on-one, a pair of many call way, the said, the operation is simple, make the communication more freedom, especially emergency scheduling and collective cooperation work, these features are very important;

3, call low cost.