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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.  ...

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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.  ...

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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.  ...

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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.  ...

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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.  ...

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How to Choose a Suitable Radio Antenna?

Antenna is a very important component of radios. The antennas primary function is to transmit and receive clear signals between multiple radios. It is safe to say that an efficient radios will require antennas to operate properly.  ...

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How to Manually Save a Channel via RT23 Radio Keypad?

RT23 is a dual band amateur radio. Cross-band repeater function and dual receive simultaneously make it is popular in hams zone. This article will show how to manually save a new channel without computer.  ...

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How to factory reset Retevis RT23?

Reset to Factory Defaults will set back all radio features to the original factory default settings.  ...

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What to Look For When Buying a Walkie Talkie

When buying a walkie talkie, you might be surprised by just how many different features, frequencies, ranges, and brands there are to choose from. It might seem tricky finding your perfect radio amongst the hundreds of different options.  ...

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Is The More Features of The Walkie Talkie The Better?

What to look for when buying a walkie talkie? Is the more features of the walkie talkie the better? The answer is no. In brief, the right is the best, it don’t depend on the number of features.  ...

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