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Category Archives :User Tutorial

How to manually program Retevis RB22 talk to Ailunce HD1

Although Retevis RB22 is a semi-keyboard DMR radio, it also supports programs manually.  ...

Read more  Retevis RB22,  Ailunce HD1

How to judge whether the antenna is compatible with the walkie-talkie

How to judge whether an antenna is compatible with your radio? Generally speaking, how to judge whether an antenna can make your walkie-talkie achieve better reception?   ...

Read more  walkie talkie antenna

How to set the microphone speaker of Retevis RT73?

Retevis RT73 is the new generation of mini DMR ham mobile radio from Retevis. It not only has a built-in speaker on the radio, but the original microphone also has a built-in speaker. so you can set up our speakers according to your needs when you use the transceiver.  ...

Read more  Mobile radio,  Retevis RT73

How to set the Time Slot of Retevis RT73?

Retevis RT73 is the new generation mini DMR mobile radio of Retevis. We know that the time slot is also a very important part when setting the DMR channel, otherwise, it will fail to communicate successfully. Today we will talk about the precautions for the RT73 time slot setting.  ...

Read more  Retevis RT73,  Time slot

Overcharge protection of walkie-talkie battery

All models of Retevis and Ailunce have overcharge protection function.  ...

Read more  overcharge protection

Something about 1750Hz tone

Retevis walkie-talkies basically have 1750 functions, and some walkie-talkies cover four types of single-tone pulse signaling, such as Retevis RT23, Ailunce HD1.  ...

Read more  1750Hz tone

Digital repeater or MMDVM hotspot? How to choose?

What is the difference between digital hotspot and MMDVM digital hotspot repeater?   ...

Read more  digital repeater,  MMDVM Hotspot

The Difference between Dual Standby and Dual Receive on Two Way Radios

Now no matter analog radio or digital radio dual band radio, they both have dual standby, but dual receive radio is not unusual; But do you know what is the difference between dual standby and dual receive?  ...

Read more  dual standby,  dual receive,  ham radio

Do you need Kenwood audio adapter for your Ailunce HD1

If you have Ailunce HD1, do you have the time that must use a Kenwood 2-pin mic, headphones, or other accessaries? If yes, the adapter is your savior.  ...

Read more  Amateur Radio,  adapter

Why set the color code

Recently, our ham cute came over to ask why we need to set the color code. today let's talk about the color code. Everyone who uses digital radios knows that the color code is an important parameter for setting the digital channel, but why do you need to set the color code? We need to understand the source of the color code.  ...

Read more  Amateur Radio,  Color code