Blog

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.  ...

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.  ...

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.   ...

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

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

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.  ...

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

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.  ...

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.  ...

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.  ...