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How to set and send the Repeater Pilot Tones on Retevis RT95

How to set and send the Repeater Pilot Tones on Retevis RT95  ...

Read more  Retevis RT95,  Repeater tone

Retevis RA86 is coming

Retevis RA86 is the new mobile radio with the Fully Integrated Control Microphone and low-profile hideaway unit.  ...

Read more  Retevis,  Mobile radio

ISB Modulation

Like VSB, ISB is also a modulation method between double sideband (DSB) and single sideband (SSB).  ...

Read more  Amateur radio,  ISB

Why do we need VSB modulation

in order to avoid this loss, a technique was chosen, which is a compromise between DSB-SC and SSB, called Vestigial Sideband (VSB) technique.  ...

Read more  Amateur Radio,  VSB

How to choose the microphone of Ailunce HD1

How to choose the microphone for Ailunce HD1  ...

Read more  Ailunce HD1,  Microphone

How to display channel name on Retevis RT72

How to display channel name on Retevis RT72  ...

Read more  Retevis,  DMR

Why Ailunce HD1 has no prompt tone when receiving SMS?

Why Ailunce HD1 has no prompt tone when receiving SMS?  ...

Read more  Ailunce HD1,  SMS,  Amateur radio

How to set DTMF of Retevis RT95

There are two ways to set DTMF of Retevis RT95, including set in the software or on the radio.  ...

Read more  Ham radio,  mobile radio

What kind of microphone is suitable for the mobile radio

Some customers think that the current standard configuration is full-button microphones, and should be equipped with non-button microphones, but other customers feedback that they need more functions for their mic of mobie radio, such as adding side buttons, so that customers can customize the function of the side buttons like a handheld station.  ...

Read more  mobile radio,  microphone

Why do hams like the DRM

DRM is a digital commercial broadcasting model that provides FM-equivalent sound quality to shortwave broadcasts.  ...

Read more  Amateur Radio,  DRM