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Blog

What to pay attention to when using the electron tube amplifier

The Electron tube power amplifier is the most common power amplifier of hams. we summarize some precautions when use the Electron tube power amplifier in the blog.  ...

Read more  Amateur Radio,  Electron tube,  Power amplifier

What's power amplifier of Shortwave?

At present, most of the radios we use are within 100W, or even below 50W. But with the increasing electromagnetic interference in cities, it has become more and more difficult to make QSO with hams around the world with only these radios. In order to improve the quality of communication and increase the transmitting power of the radio, it is necessary to buy a short-wave high-power amplifier to work with our radios.  ...

Read more  Shortwave,  Power Amplifier,  Amateur Radio

How to set the RetevisRT73 GPS

Retevis RT73 is a dual band mobile radio which comes with GPS function.Today let us learn how to set and get GPS on RT73 radio.   ...

Read more  RetevisRT73 GPS,  RT73 GPS setting,  RetevisRT73

How to factory reset Retevis RT23?

Reset to Factory Defaults will set back all radio features to the original factory default settings.  ...

Read more  Factory Reset

Brandmeister SMS Text Service on Retevis RT73

Brandmeister SMS text service works well on Retevis RT73 Dual Band Mobile Radio.  ...

Read more  Brandmeister text service,  RT73 SMS SMS Text Messaging,  Retevis RT73

How to program Retevis RT72 without PC

If you're outdoor, with no PC and programming cable to use, you can program your Retevis RT72 via the front panel. We'll show the key settings of programming Retevis RT72 without PC in the blog.  ...

Read more  RetevisRT72,  HamRadio,  FPP

How to Manual Key Up a Talkgroup on Retevis RT73

Sometime you may want to key up a new talkgroup manually on Retevis RT73 Mobile Radio, how to do?  ...

Read more  RT73,  RetevisRT73,  RT73 How to

How to program Retevis RT72 in the software?

Recently many customers want the codeplug of Retevis RT72. Today we will show the details of programming it in the software, then you can try to make your own codplug.  ...

Read more  RetevisRT72,  Ham Radio,  DMR Radio

What to Look For When Buying a Walkie Talkie

When buying a walkie talkie, you might be surprised by just how many different features, frequencies, ranges, and brands there are to choose from. It might seem tricky finding your perfect radio amongst the hundreds of different options.  ...

Read more  Buy Walkie Talkie

How to set mixed receive for Retevis RT80?

Can I receive analog as well as DMR in a channel? many customers ask the questions. I want to say yes if you own a Retevis RT80. Retevis RT80 support to analog, DMR, and mixed-mode. today let's learn more about mixed receive.  ...

Read more  RetevisRT80,  Mixed receive,  DMR Radio