What is RFID keychain?

A RFID (Radio Frequency Identification) keychain is a small keychain or fob embedded with an RFID chip and antenna. RFID technology allows for wireless communication between the keychain and RFID readers or scanners. These keychains are commonly used for access control systems, such as keyless entry systems for buildings, vehicles, or secure areas.

RFID Chip: The keychain contains a small RFID chip, which stores unique identification information or data. This information may include a unique serial number, access permissions, or other relevant data.

Antenna: An antenna embedded in the keychain allows the RFID chip to communicate wirelessly with RFID readers or scanners. When the keychain is within the operating range of an RFID reader, it emits radio waves containing its unique identification information.

RFID Reader: RFID readers or scanners are devices that can wirelessly communicate with RFID tags or keychains. When a RFID keychain is brought within close proximity to an RFID reader, the reader emits radio waves that power the RFID chip in the keychain. The keychain then responds by transmitting its identification information back to the reader.

Access Control: In access control systems, RFID keychains are used to grant or restrict access to specific areas or resources. Authorized users are typically provided with RFID keychains programmed with the necessary access permissions. When they present their keychain to an RFID reader at an access point, the reader verifies their credentials and grants access if authorized.

RFID keychains offer convenience, security, and efficiency in various applications, including building security, vehicle access, time and attendance tracking, and asset management. They eliminate the need for physical keys or cards, reduce the risk of unauthorized access, and provide a convenient means of managing access control systems.