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International YL-Activity World Women’s Day 2021

For the eight’s time, the DARC YL group is organizing an international YL-Activity at the International Women’s Day on: Monday, March 8th 2021 from 18:00 until 21:00 UTC (19:00 until 22:00 MEZ) on 40m and 80m in SSB & CW.  ...

Read more  YL-Activity

Bluetooth Control APP for Ailunce HS2 (Apple IOS system)

At the beginning of 2021,we are very glad to know AilunceHS2 has a Bluetooth Control APP runs on Apple IOS system.  ...

Read more  Bluetooth Control APP,  AilunceHS2 APP

How to Set HD1 Talk Permit Tone

What’s talk permit tone? This alert tone sounds after the Push-to-Talk (PTT) button is pressed and the radio is able to transmit on the channel. This is to prompt the user to begin speaking.  ...

Read more  Talk Permit Tone

How to set the HD1 roger beep?

Roger beep is a transmitter ending tone. It is only work on analog mode. If you open this function, after you release the PTT, the receiver will receive a tone. The tone indicates you have transmit over.  ...

Read more  Roger Beep

How to set analog channel for Retevis RT3S?

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.  ...

Read more  Retevis RT3S,  Analog channel,  Amateur Radio

What's VFO?

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?  ...

Read more  Amateur Radio,  VFO Mode,  Ailunce HD1

What's APRS?

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

Read more  AilunceHD1,  Retevis RT73,  APRS

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