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As we all known that the amateur radio not only as a hobby attract many hams, but also it is a tool for emergency rescue when there is no phone signals. In the United States, The Amateur Radio Emergency Service® (ARES) consists of licensed amateurs who have voluntarily registered their qualifications and equipment, with their local ARES leadership, for communications duty in the public service when disaster strikes.   ...

FAQ-about-GMRS-Two-Way-Radios  ...

The scrambler function of the analog walkie-talkie is to change or mix the communication voice and informations.  ...

MGRS, UTM, and USGS are often talked together. Do you know what any connection between them？  ...

Compared with business radios, amateur radios have more and more complex functions, so the operation and setting process often leads to abnormal use intentionally or unintentionally. Therefore, almost all amateur radios allow to reset to factory.  ...

How does the GPS of Ailunce HD1 work with Retevis RT3S?  ...

Today, let us talk about the the difference between GMRS wide band and narrow band.  ...

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The IARU satellite frequency coordination panel report an application has been submitted for an amateur radio payload to be hosted on the Tiangong space station.  ...

2022 April 7 to April 8, International Space Station 145.80MHz Russian Astronauts Send SSTV Images for 3 days.  ...