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Why do drivers who run long-distance buses carry walkie-talkies?

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.  ...

Read more  drivers carry walkie-talkies

2021 China Emergency UAV Service and Technology Innovation Forum

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.  ...

Read more  Drone World Congress 2021

Why you can't switch to VFO mode on Retevis RT72

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.  ...

Read more  Amateur radio,  Retevis,  VFO

Tips for programming Retevis RT3S in software

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.  ...

Read more  Retevis RT3S,  Amateur radio,  Program tips

Will Rainy Days Affect the Quality of Amateur Radio Communications?

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.  ...

Read more  amateur radio communication

Definition of letters used for short wave radio transceiver equipment

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.  ...

Read more  AilunceHS2,  HF Shortwave radio

How to set GPS of Retevis RT3S?

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.  ...

Read more  RetevisRT3S,  AmateurRadio,  GPS

How to use Bluetooth Control APP control Ailunce HS2

As we all known Ailunce HS2 built-in Bluetooth module. So today let us learn how to use a Bluetooth Control APP to control the HS2.   ...

Read more  AilunceHS2,  AilunceHS2 Bluetooth,  HS2 Bluetooth control App