China Dmr Band Manufacturer, Supplier, Factory

If there is no sound or low sound during use of the walkie-talkie, you should first check whether the battery voltage is sufficient.

When the PTT button is pressed, the indicator light lights up red, indicating that the walkie-talkie is in the transmitting state and you can speak at this time.

​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.

The walkie-talkie is a terminal device for cluster communication. It can not only be used as a terminal device for cluster communication, but also can be used as a professional wireless communication tool in mobile communications.

In order to improve the level of employees' skills and create a learning atmosphere, inspire employees to grow up in their posts, create a good atmosphere of "technology, learning skills, catching advanced, and super advanced", and the power communication held in April with "internal repair skills," Employee Skills Competition with the theme of outer tree style.

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.