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Category Archives :Radio knowledge

How to set function menu of your HD1

Introduce all menu items & setting tips of HD1. let the blog help you to be familiar with HD1.  ...

Read more  Function Menu,  Main menu set,  band set

How to Learn the Ailunce HD1 When We Get It

We may have not played any radios before. when we get the radio first time, what do we need to do?  ...

Read more  Ailunce HD1,  basic acquaint,  operation tips

What is an Waterproof IP rating

An IP rating may look something like this: Ailunce HD1 is a dual band IP67 waterproof DMR radio, and there is also aIP67 waterproof H103M speaker mic compatible with HD1.  ...

Read more  IP67 Waterproof DMR Radio,  Ailunce HD1 IP67 Waterproof radio,  IP67 Waterproof speakermic

What is ARES The Amateur Radio Emergency Service

The Amateur Radio Emergency Service (ARES) consists of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service when disaster strikes.  ...

Read more  Amateur Radio Emergency Service

Learn the Two Way Radio Production Process with Ailunce

Have you go to the factory to see the two way radio production? Here Ailunce will take you to learn the production process. We take an example of the Retevis RT47. RT47 is a lecense free IP67 radio.  ...

Read more  Production Process

Amateur Radio International Q-Code

We always say QSL card. We know it indicates that we communicate a ham on the air successfully. Every time after we have a communication with another ham, we hope to get a QSL card from him. The QSL numbers is just like an honor. Do you know why we use the QSL? Do you know the Q-code in amateur radio?  ...

Read more  Q-Code

What's the Difference Between SMA and TNC Connector

The external wireless antenna looks like a similar look, but if you look closely, you will find that they have very different antenna interfaces. If the newly purchased external antenna does not match the radio interface, you will not be able to use it properly.  ...

Read more  SMA,  TNC

The History of M, N, SMA and BNC Antenna Connector

Referring to the representative symbols of amateur radios, it is estimated that a large number of hams will vote for the antenna (exactly, the Yagi antenna). The rest of hams may choose radio equipments. there will be few people notice the small thing of the antenna connector. If someone ask you, why is your device using the M head connector, how it is performing, and so on. Can you reply well? Today let's learn the antenna connector together.  ...

Read more  Antenna Connector

CTCSS and DCS Used on Repeater

CTCSS (Continuous Audio Coded Squelch System) is the most commonly used. Digital Code Squelch is a further development of the continuous tone-coded squelch system. In order not to accidentally turn on the transmitter by the clutter signal, the repeater must set the receiving CTCSS tone. To connect the repeater, the intercom must be set to CTCSS tone.  ...

Read more  repeater ctcss,  ctcss and dcs,  radio ctcss and dcs