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Many users don't know how to "pair" channels when using walkie-talkies. Next, let's learn about the related knowledge.

​Walkie-talkies have long been a staple of communications technology, with their versatility and reliability making them an essential tool for a wide range of activities.

​A walkie-talkie is a portable communication tool suitable for many different applications such as outdoor adventures, construction sites, police and firefighters, and more.

Today, with the rapid development of communication technology, walkie-talkies are no longer an exclusive tool for professionals such as military and police officers.

​Moreover, mobile radios are much more reliable than cell phones, especially in areas with weak or no cell phone network signals.

In the amateur section, there are very strict norms, and they will be specially trained when testing. At 409m exemption, there are the following provisions: 1.Do not change the transmitting frequency and increase the transmitting power (including additional radio frequency power amplifier) without authorization. 2.Do not cause harmful interference to various legitimate radio business when using. Once harmful interference is found, use it immediately, and take measures to eliminate interference before continuing to use it; *Using public intercom, its communication quality is not protected by radio management agencies, and the radio business that may work normally should be caused by other normal jobs; 3.It is forbidden to use on the airport and aircraft; 4.It is forbidden to interconnect with the public telephone network, public mobile communication network and other telecommunications networks.