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Category Archives :Radio knowledge

Is There Anybody Listing to the Radio Broadcast Now?

Is there any body listing to the radio broadcast now? whether radio broadcast is going to fade away? In my opinion, the radio broadcast will not going away. It may be integrated into the cell phone, or it can exist in other ways.  ...

Read more  Radio Broadcast

A Radio Museum in Mexico City Subway Station

A Mexico City subway station boasts a hidden museum, complete with a working radio booth.  ...

Read more  Radio Museum

The Difference Between Walkie Talkie and Mobile Phone Antennas

Why does the walkie-talkie have a long external antenna, and most of the mobile phones are built-in antennas?  ...

Read more  Antenna,  Walkie Talkie,  Mobile Phone

How does the walkie-talkie work in emergency rescue operations?

The application of walkie-talkies in the field of emergency rescue is becoming more and more mature. For rescue fighters, walkie-talkies are not only a communication tool for them to keep in touch with the team, but also an important equipment for escorting them at critical moments.  ...

Read more  Emergency,  Waterproof Radio

How to Achieve Interoperability Between Different Models of Walkie-Talkies?

We all know that the default factory frequency of each manufacturer's walkie-talkie is different, so different brands of walkie-talkies can not communicate with each other directly. This is a concern of the majority of new hams.  ...

Read more  Different Model Communication

How Far Can the Walkie-Talkie Communicate?

How Far Can the Walkie-Talkie Communicate? To be honest, every time you are asked this question, there will be a feeling that it is difficult to explain. That's because in the wireless communication profession, there is no "distance" technical parameter. There are too many factors that can affect the wireless signal propagation distance.  ...

Read more  Communicate Distance

What is the Difference Between Explosion-Proof and Ordinary Walkie-Talkie?

The explosion-proof walkie-talkie does not refer to the walkie talkie that can resist explosion, but a walkie-talkie that can work in an explosive atmosphere.  ...

Read more  explosion-proof walkie-talkie

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