Radio Data System
（重定向自Radio Broadcast Data System）
![Logo for RDS1 and RDS2](/Images/godic/202502/05/RDS1_RDS22901.png")
![A Radio Data System – Traffic Message Channel (RDS-TMC) receiver (left) attached to a TomTom navigation system to integrate real-time traffic data into the navigation.[5]](/Images/godic/202502/05/TomTom_Navigation_System_with_RDS-TMC2901.jpg")
Radio Data System (RDS) is a communications protocol standard for embedding small amounts of digital information in conventional FM radio broadcasts. RDS standardizes several types of information transmitted, including time, station identification and programme information.