Note: Due to COVID-19, the flights reduce and the delivery time may be delayed. Please understand. ×

+86 15093323284

 Longgang,ShenZhen, CN

Category Archives :Radio knowledge

Why does the walkie-talkie have no distance parameter?

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?  ...

Read more  Communication Distance

What accessories do you think are very helpful in your amateur radio journey? 

What ham radio accessories do you think is very helpful in your amateur radio journey?   ...

Read more  ham radio accessories

​What is the difference between the software and firmware of radio?

For hams, software and firmware are often used by us. Do you know the difference between them? Why does amateur radio need both software and firmware?  ...

Read more  Firmware,  software

Why need to upgrade the firmware of the walkie-talkie?

For amateur radio, whether to support firmware upgrades is a very important feature. Firmware refers to a collection of software embedded in the hardware of walkie-talkie, similar to EPROM, EEPROM, or flash memory. So, why does the walkie-talkie need to upgrade its firmware?  ...

Read more  Amateur radio,  Firmware

What's the meaning of dB in amateur radio?

When talking about the gain of antennas and power amplifiers, the dB is often mentioned, but do you know what it means and how do we use it?  ...

Read more  dB,  Power,  Mic gain

How to set MIC Gain of radios?

Mic gain is one of the important settings of amateur radio. It controls the volume of transmission. Do you know how to set the mic gain? the blog will show how to set the right mic gain.  ...

Read more  Mic Gain,  Amateur Radio

Super-Full Radio Usage Skills During Multi-Vehicle Travel

Nowadays, many car friends have various self-driving FB activities, and many car friends organize their colleagues, relatives, and friends to drive together so that there will be problems with communication requirements between vehicles, radio will play a very important role in self-driving and multi-vehicle travel.  ...

Read more  Radio Usage Skills,  Multi-Vehicle Travel

What Aspects Should be Paid Attention to When Installing a Mobile Radio?

An important principle to be followed by the host installation is to be able to provide enough heat dissipation space because when the radio host is in the transmitting state, the heat is very large.  ...

Read more  Mobile Radio Installation

The Specification of the use of Walkie-Talkie in the Motorcade Travel

What I want to share with you today is the specification of the use of walkie-talkie in motorcade travel. You must know that the mobile radio is not only about buying and installing, but also about the way of speaking during communication.  ...

Read more  Mobile Radio,  Motorcade Travel