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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

How to Achieve DMR Radio Private Call?

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.  ...

Read more  Private Call

What's the Special Features of Retevis Mini Mobile transceiver RT98

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.  ...

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How Can I Use a Mobile Antenna on Ailunce HD1

Ailunce HD1 is a handheld radio. Sometime we may use it in the car, can it use a mobile antenna and what's antenna we can use?  ...

Read more  HD1,  Mobile Antenna

TX7T Hiva Oa Island Marquesas Islands

Members of the CAN-AM DXpedition Group will be operating as TX7T from the island of Hiva Oa in the Marquesas Islands for 10-12 days between November 6-17, 2019. The Marquesas Islands rank #60 on Club Log DXCC “most wanted” list.  ...

Read more  TX7T Hiva Oa Island Marquesas Islands