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

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!  ...

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.  ...

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.  ...

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.  ...

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

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

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.  ...

We know that DMR radios can achieve all call, group call and private call. How to achieve private call. There are several different methods. Here we can take the Ailunce HD1 as an example.  ...

Retevis RT98 is the Mini mobile car radio, it is the analog model with 199 channels, lots of functions can be edited by manually. It is an affordable mobile radio, only USD69 you will get it.  ...