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RT3S is a very popular dual-band DMR amateur radio. The reason why it is so popular is not only that it uses superheterodyne for receiving, and the receiving effect is very good. but also it's easy to program. Today we will introduce three ways to program an analog channel for RT3S.  ...

At present, many amateur radios on the market not only have CH mode but also VFO mode. CH mode is also called Memory mode. In the mode, all commonly used channels that have been programmed in software can be displayed. So what is the VFO mode?  ...

Many hams like to choose amateur radios with APRS function. Do you know what's APRS? How does it work?  ...

Whether it’s driving or exploring outdoors, walkie-talkies are definitely the best choice, because as long as the walkie-talkies are within a certain range and the frequency is adjusted, they can communicate happily. No dialing is required, and no extra costs will be incurred. If you are driving with a fleet , So that you can communicate with each other.  ...

the 5th Drone World Congress and the 6th Shenzhen International UAV Expo will be held in Shenzhen from may 21st to 23rd, 2021, relying on the advantages of Shenzhen market mechanism, talent gathering,independent innovation and industrial support.  ...

Many customers feedback they can't switch to VFO mode on Retevis RT72. Do you know how to switch to VFO mode on Retevis RT72? If no, you can check the blog. we'll show the all detailed steps that you need to do.  ...

Retevis RT3S is a dual-band dual-standby DMR amateur radio. It supports to program in the software. Recently, many hams have encountered some problems when they program them RT3S. Today we will summarize these problems in the blog.  ...

When rainy days the commonly used bands of 2 meters and 70 centimeters the quality of amateur radio communications have been greatly affected. In the 2 meter band, the loss may reach 6dB.  ...

We will see a variety of English abbreviations on various radio transceiver equipment. Today we will talk about the meaning of some of the English names used on HF shortwave radios.  ...

Retevis RT3S is a dual-band DMR radio. There are GPS and NO-GPS versions to select. For the GPS version, you can receive and transmit GPS information. We will show the setting steps of GPS in the blog.  ...