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Is an antenna analyzer necessary for building antennas?

Antenna analyzers are widely used in the field of antenna development, DIY production, installation and debugging, and inspection and maintenance. I think it is a very necessary equipment for hams building antennas.  ...

Read more  diy ham radio antenna,  ham radio antenna analyter

2019 Retevis Halloween Giveaway Program

Now we are giving you the chance to Review and Test RT54 or RT8 for FREE. Because Your opinions are very important to us, so we want to hear what you think!  ...

Read more  Retevis Halloween Giveaway,  Retevis RT3,  Retevis RT8,  Retevis RT54

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

What's Single Frequency Repeater function

Do you know the single frequency repeater function? Do you need it? Come on, tell us why you need it, let us know your opinion.  ...

Read more  Single frequency repeater,  amateur radios

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

A Sheet, An Antenna, The Best Interpretation of The Antenna Man Dongdong

A sheet, an antenna, the best interpretation of the antenna man dong dong  ...

Read more  Antenna Man

Anna Brummer, N2FER, Feted on her 105th Birthday

"Keeps you young when everything's going smooth," she told the reporter.  ...

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Retevis RT93 (Mobile Piggyback) Digital Private Network Base Station

Retevis RT93 (mobile piggyback) digital private network base station is coming. It is very convennient for you to use it when you are outdoors. Now let's take a look.  ...

Read more  Digital Private Network Base Station,  Mobile Piggyback