Blog

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?  ...

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.  ...

Q&A about Retevis RT73 Dual Band Mobile Radio  ...

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.  ...

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.  ...

DKGP10 10 Band/3.5Mhz-54Mhz/100W/Portable Shortwave Antenna/HF Antenna 2021Version  ...

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.  ...

Amateur Radio Rescue Can be Said the Hope When Disaster is Coming  ...

What is the Backup Equipment if Cellphones and Internet Connections are Down? Of course, amateur radio.  ...

Retevis RT73 has a really cool function with the RX Ham groups, that is, you may have a selective promiscuous function. If you create a List of TG which you permanently want to receive, you included it in your Ham groups.  ...