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...
First of all, we should analyze the reason why the radio sound is small, as long as we find the reason, we can find a solution. In general, the low sound may be due to the dust entering into the loudspeaker or the problem of the connecting wire of the loudspeaker after being used for too long, which is the main reason for the low sound of the walkie-talkie. So what are the faults that affect the s...
What communication tool is the most suitable for road trip? There is no doubt that the walkie-talkie is the most convenient. More and more riders will choose to travel in groups for road trip. After all, traveling alone will inevitably lead to loneliness and fatigue.Taking care of each other when traveling together, the walkie-talkie has become an important part of the team's safety and is indispe...
Anyone who is familiar with walkie-talkie knows that it have a function - kill, but for green hands, they may not understand it very well. Today we will talk about the powerful and practical function. The "kill" function of radio can make the radio shut down or prohibit transmission by remote control. The ability to turn off the launch function individually is sometimes referred to as "stun". Afte...
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...
Scan is a very common and useful feature for amateur radio operators. When they are not sure which frequencies have a signal, they can turn on the scan function. To give an easy-to-understand example, suppose we have built 10 channels, but we are not sure which channel has a signal. At this time, if we turn on the scan function, the walkie-talkie will wait on these 10 channels. If there is no sign...
Sometimes the walkie-talkie is used outdoors or when exercising, but what should I do if it shuts down halfway through the use due to insufficient power? Do the following to keep you prepared. 1. Check equipment in advance This one is the easiest to achieve, that is, we must remember to fully charge the walkie-talkie the night before going out. 2. Switch the appropriate transmit power It is enough...
