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This article say different kinds of amateur radio frequencies.  ...

A DMR radio isn’t any good if it doesn’t have any frequencies or channels programmed into it. Programming your first DMR radio might feel a little bit daunting. It’s certainly different than programming an analog radio. So we will take Ailunce HD1 as an example to make a codeplug.  ...

In this article I will try to explain Retevis RT3 match a easy to use DMR Hotspot, you can communicate with hams around worldwide?  ...

This article tell us how to make your Ailunce HD1 work with FRS/GMRS radios.  ...

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.  ...

What hams can do in their daily life?  ...

What is the difference between the walkie-talkie simplex, duplex, and half-duplex modes?  ...

cross-band repeater funaction is a common use for amateur operators.  ...

Digital Mobile Radio (DMR) is an international digital radio standard developed by the European Telecommunications Standards Institute (ETSI), and it has 3 DMR standards: DMR Tier 1, DMR Tier 2, DMR Tier 3. this article we will say difference between Tier 1 and Tier 2.  ...

How do learn amateur radios? you should probably get some different answers, but in the final analysis，amateur radio is really a practical skill.  ...