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Will Rainy Days Affect the Quality of Amateur Radio Communications?

When rainy days the commonly used bands of 2 meters and 70 centimeters the quality of amateur radio communications have been greatly affected. In the 2 meter band, the loss may reach 6dB.  ...

Read more  amateur radio communication

Definition of letters used for short wave radio transceiver equipment

We will see a variety of English abbreviations on various radio transceiver equipment. Today we will talk about the meaning of some of the English names used on HF shortwave radios.  ...

Read more  AilunceHS2,  HF Shortwave radio

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 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

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 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