Tag Archives :ITU
Common types of radio emissions
- Sep 29,2020
- Yamy
- 0 Comments
- Radio knowledge
The specification of walkie-talkie is an important reference for us to know whether it meets our needs. For example, the working mode of walkie-talkies is often marked with words such as F3E or F2D. Do you know what it means? Today let's study together. ...