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Play Tips|The Different Kinds of Amateur Radio Frequencies Aug 11, 2022
Amateur radio frequencies are allocated by the national telecommunication authorities. Each frequency differs in each location in every country depending on its bandlength. Frequencies in each city differ but some frequencies can reach multiple locations if it is strong enough. However, the International Telecommunication Union is the primary authority that manages the radio spectrum. This include...
- Amateur radio frequencies
- long distance radios
- Dual band radios
Walkie talkie-the best essential tool for road trip and tour pal Sep 30, 2022
National Day holiday is a good time to travel. While relaxing your mood, we reminds all travel experts, please bring your communication equipment-- walkie-talkie when you go out to travel. Whether it is domestic travel or overseas travel, there are also many travel safety incidents resulting from this, and cases of tour pal who have lost contact and gone abroad frequently occur. During the Nationa...
- walkie-talkie
- digital radios
- amateur repeater
Play Tips|When does the walkie-talkie need to regulate frequency? Oct 07, 2022
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...
- Radio amateur
- programming software
- two way radio
How to distinguish single call, group call and all call of DMR? Jan 05, 2023
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...
- Digital Mobile Radio
- radio amateurs
- walkie-talkie
Do you know the three scanning methods of walkie-talkie? Jan 11, 2023
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...
- Amateur radio operators
- scan function
- walkie-talkie
Will rainy days affect radio communications? Feb 16, 2023
In fact, the attenuation of rain on EMW(electromagnetic waves) below 10 GHz is relatively slight, but for EMW above 10 GHz, the impact of rain attenuation is very obvious. When EMW passes through the rainfall area, the rain not only absorbs the energy of the radio wave, but also scatters it. This absorption and scattering together form electromagnetic wave attenuation. Scattering can also ca...
- EMW
- VHF/UHF band
- amateur radio
Why do walkie-talkies below 0.5W not need a license? Mar 10, 2023
The critical value of 0.5W is defined because in the field of amateur radio communications, it is generally believed that equipment below 0.5W has low output power, limited use distance, and is unlikely to cause interference to other equipment or radio and television. Therefore, these low-power devices are generally considered not to require approval and authorization, such as some small radio tra...
- amateur radio
- kid walkie talkies
- GMRS radio
Can I get a radio license as a minor? Mar 22, 2023
"I'm in junior high school now. I love radio. I also learned some amateur radio knowledge by myself. I often communicate with my friends using FRS walkie-talkies. Can I get a radio license?" A seemingly simple question, but also asked a lot of HAM. 1. Can children take the radio station operator's license test? In China，there is no age limit for participating in Class A and Class B operational tec...
- amateur radio
- FRS walkie-talkies
- radio station call signs

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