Blog
Importance of antenna impedance matching
- Aug 30,2021
- Yamy
- 0 Comments
- Radio knowledge
Impedance is an important parameter of the antenna, which is determined by the physical structure of the antenna, such as the shape, size, material, and environment of use. The impedance matching of the antenna is the process of matching both the impedance of the antenna and transmitting the source through tuning. So, why do you need to do antenna impedance matching? ...
Why does the walkie-talkie have no distance parameter?
- Aug 30,2021
- Yolanda
- 0 Comments
- Radio knowledge
Communication distance is an important indicator of walkie-talkies, but why is there no distance parameter in the parameters of walkie-talkies? There are also some descriptions that have a distance description, but the range is very large, such as 2~5 kilometers. How should I understand this communication distance? ...
The Difference Between GMRS and Ham Radio
- Aug 28,2021
- Vivian
- 0 Comments
- Radio knowledge
The Difference Between GMRS and Ham Radio ...
How to set TX Authority of Ailunce HD1?
- Aug 26,2021
- Yamy
- 0 Comments
- User Tutorial
Many customers of Ailunce HD1 ask how to set the TX of Ailunce HD1 to be prohibited. do you know how to set it? There are four setting options for TX Authority of Ailunce HD1.we'll show how and why to set it in the blog. ...
Which version of firmware do you need for your RT90?
- Aug 24,2021
- Yamy
- 0 Comments
- User Tutorial
Many hams want to upgrade the firmware of their Retevis RT90, but there are many versions of firmware on the support page of Retevis RT90. Then, which version of firmware do you need for your Retevis RT90? ...
Recommend AilunceHD1 to your Ham Friends
- Aug 19,2021
- Vivian
- 0 Comments
- Amateur Radio Topics
The HD1 is the only DMR radio I've owned and I love it. Using the hand mic, I received unsolicited great audio reports with one being from a local digital guru. He commented that it was the best audio he ever heard on DMR. ...
What accessories do you think are very helpful in your amateur radio journey?
- Aug 18,2021
- Vivian
- 0 Comments
- Radio knowledge
What ham radio accessories do you think is very helpful in your amateur radio journey? ...
The Difference between Battery Eliminator and Chargers
- Aug 06,2021
- Vivian
- 0 Comments
- User Tutorial
The Difference between Battery Eliminator and Chargers ...
Why need foot switch PTT?
- Jul 31,2021
- Yamy
- 0 Comments
- Amateur Radio Topics
PTT is the transmission button of the radio. Almost all radios have PTT themselves. However, when surveying desktop microphones recently, many customers still put forward the need for foot switch PTT. Why do we need to foot switch PTT? ...
What‘s the common connector of the desktop microphone
- Jul 30,2021
- Yamy
- 0 Comments
- Amateur Radio Topics
When we are doing research on desktop microphones recently, customers have repeatedly suggested adapting to multiple models. But different radio stations have different microphone interfaces. Therefore, based on customer feedback, we have compiled the common interface types that may be used for desktop microphones. ...