‌Public network intercom is a wireless intercom device that uses existing mobile communication networks(such as 3G/4G/5G and WiFi) to achieve long-distance communication.It breaks through the distance limitation of traditional intercoms.As long as there is a carrier signal,calls can be made.In theory,intercoms can be realized nationwide and globally.‌

Walkie-talkies are mainly used in multiple industries,including security and law enforcement,construction and engineering,tourism and outdoor activities,retail and shopping mall management,hotel and service industries,factories and manufacturing,public transportation and airports,emergency rescue and medical care,events and activity management,warehousing and logistics,etc.

Walkie-talkies are now widely used and are often needed.The maintenance and servicing of walkie-talkies are crucial to extending their service life and maintaining their good performance.Here are six tips on the maintenance and servicing of walkie-talkies.

Walkie talkie is a two-way mobile communication tool.It can be used without any network support and does not incur any call charges.It is suitable for relatively fixed and frequent calls.What should we do if the walkie-talkie breaks down during use?Here are some solutions for you.

With the continuous development of technology and the continuous improvement of the national economy,mobile phones have become an indispensable communication tool for us,almost every person has one.But we found that walkie talkies have not been eliminated from the historical stage by mobile phones.Some industries still use them,especially chemical enterprises,where walkie talkies have a dominant position.From a technical perspective,there is a significant gap between walkie talkies and mobile phones,but walkie talkies do have advantages that cannot be replaced by mobile phones!

In order to ensure uninterrupted communication among numerous users and to make reasonable use of frequency resources,the country has divided the frequency of walkie talkies and stipulated that different industries use corresponding frequencies.

A digital two-way radio is a two-way radio designed with digital technology,which digitizes voice signals and transmits them in digitally encoded form.The basic principle of a digital two-way radio is to convert analog voice signals into digital signals,and then modulate them onto radio frequency for transmission.