China Analog Microwave Radio Manufacturer, Supplier, Factory

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.

The communication distance of general walkie-talkies is within 2-3 kilometers, the communication distance of professional walkie-talkies is within 3-10 kilometers, the communication distance of commercial walkie-talkies is between 800 meters and 8 kilometers, and the distance of civilian walkie-talkies is shorter, with an open space of 3 kilometers.

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.

With the emergence of mobile phones and the continuous upgrading of smart functions, mobile phones have eliminated BB machines, game consoles, single navigation screens, etc., but our walkie-talkies have not been eliminated.

One of the most important developments in the walkie-talkie industry is the integration of advanced features and technologies. Traditionally, walkie-talkies were simple two-way radios with limited range and functionality.

​DMR, or Digital Mobile Radio, is a technology that allows for efficient and flexible communications over long distances. It offers superior sound quality, advanced features, and enhanced privacy and security compared to traditional analog radios.