China Dmr Radio Standard 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.

Since 1993, Lisheng Communication Co., Ltd. has gone through 30 years and has experienced countless challenges and opportunities ...

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

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.

​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.

‌DMR radio is a communication device based on the Digital Mobile Radio (DMR) standard. The DMR standard was developed by the European Telecommunications Standards Institute (ETSI) to meet the needs of low-end professional and commercial users in European countries and provide efficient and reliable communication solutions.