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How to set GPS of Retevis RT3S?

Retevis RT3S is a dual-band DMR radio. There are GPS and NO-GPS versions to select. For the GPS version, you can receive and transmit GPS information. We will show the setting steps of GPS in the blog.  ...

Read more  RetevisRT3S,  AmateurRadio,  GPS

How to use Bluetooth Control APP control Ailunce HS2

As we all known Ailunce HS2 built-in Bluetooth module. So today let us learn how to use a Bluetooth Control APP to control the HS2.   ...

Read more  AilunceHS2,  AilunceHS2 Bluetooth,  HS2 Bluetooth control App

How to Choose a Suitable Radio Antenna?

Antenna is a very important component of radios. The antennas primary function is to transmit and receive clear signals between multiple radios. It is safe to say that an efficient radios will require antennas to operate properly.  ...

Read more  Choose a Suitable Radio Antenna

How to Manually Save a Channel via RT23 Radio Keypad?

RT23 is a dual band amateur radio. Cross-band repeater function and dual receive simultaneously make it is popular in hams zone. This article will show how to manually save a new channel without computer.  ...

Read more  Manual Save Channel

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