What technology can transmit data through radio waves?

The correct answer is RFID. Radio Frequency Identification (RFID) technology uses radio waves to transmit data between a reader and a tag. RFID tags contain a chip that stores data and an antenna that allows the tag to communicate with the RFID reader using radio waves. This technology is commonly used for tracking items, inventory management, and access control.

Bluetooth, while also using radio waves for data transmission, operates on a different frequency range and is designed primarily for short-range wireless connections between devices like phones, headsets, and computers. Wi-Fi is another technology that utilizes radio waves to provide wireless internet access but focuses on creating local area networks to connect devices to the internet. Infrared, on the other hand, does not use radio waves; it relies on light waves in the infrared spectrum for communication between devices but requires a clear line of sight and is typically used for short-distance connections, such as remote controls.