Radio amateur who have used walkie-talkies know that programming is a necessary skill for the correct use of walkie-talkies. For users who have just started walkie-talkies, they do not know much about this field, and they will mistakenly think that all newly bought walkie-talkies must regulate frequency. In fact, this is a misunderstanding. We all know that most walkie-talkies have pre-written fre...
DMR radio is one of the many types of walkie-talkies that have been recognized and favored by many users in recent years. What is the difference between DMR radio and analog walkie-talkie? Let's talk about this topic this time. What is DMR? DMR stands for Digital Mobile Radio and is an international standard that has been defined for two-way radios. The European Telecommunications Standards Instit...
Radio equipment such as walkie-talkies is a necessary communication tool for outdoors, but in use, many people do not know how to comply with radio management regulations, and the phenomenon of setting frequencies without knowing the law is serious. The editor collects commonly used frequency tables on the Internet. Please use them according to law. 1.Professional walkie-talkie: Vhf ban...
The police are a profession that uses walkie-talkies particularly frequently. The working environment, usage requirements, and the nature of their communication services are different from other ordinary walkie-talkies. In this issue, let's talk about police radios. Police radio The police radio is a special equipment for the public security system, with a frequency range of 350-370MHz and 370-390...
1.What is scrambler？ The scrambling function of the analog walkie-talkie is to change or mix the sound of the broadcast and the information of the radio so that people can only receive and understand it through a specific frequency or channel. It is an important means to ensure that the transmission content of radio waves will not leak privacy and prevent eavesdropping. From a functional point of ...
Walkie-talkies are widely used in public utilities, emergency industries, transportation and other fields, and construction sites are also one of the places where walkie-talkies are most frequently used. So what kind of walkie-talkie should you choose on the construction site? Today let’s talk about this topic. For working environments with a lot of dust, it is required that the walkie-talkie shou...
The DMR(Digital Mobile Radio) can set single call, group call and all call directly through contacts. So what is the difference between them? 1. Single call Literally we can understand that this is a one-to-one call. Each of us will register a DMR ID through the call sign, which is the same as our mobile phone number and is not repeated. If you want to call the other party, you can directly e...
In addition to mobile phones, hams may also want to take a beloved two way radio with them when they travel. So, if it is an outbound travel, can they carry and use the radio? The answer is clear. If there is no relevant permission from the destination country, it is not allowed to use radio equipment casually. For specific usage issues, please refer to the laws and regulations of each country. Fo...
