Do you like to program your radio in software? If yes, you need to download the right driver of your radio. do you know how to select the right driver for your Retevis radio?  ...

Have you tried to check the DIR item of your Ailunce HS2? there are many parameters to show. do you know what they mean?  ...

C4FM is a digital modulation for walkie-talkies that hobbyists prefer. Do you know what C4FM means? What are the advantages and disadvantages compared with other digital work modes?  ...

There are three common types of radio scanners for us to select, including the basic analog scanner, the analog trunking scanner, and the digital scanner.  ...

Many hams not only like to make QSO with their friends but also scan the channels near them. so they are more willing to use the scanner to scan and monitor directly than using the scanning function of the walkie-talkie.  ...

the difference between RT90 and RT73.   ...

Promiscuous mode is a feature of DMR radios, but not all DMR radios have this mode. The radio is designed for the commercial market doesn't have promiscuous mode. What does promiscuous mode actually do? let me give you a demonstration of this on Retevis RT73 now.   ...

Do you know know how to set a group call in the software of Ailunce HD1 or on Ailunce HD1 directly?  ...

14 Things you need to know about Retevis RT73.  ...

many customers would like to connect to the repeater, but sometimes they'll encounter errors, such as "repeater fail", and so on. Do you know why it is? today let's learn together.  ...