RFID (Radio Frequency Identification) anti-interference device

The utility model relates to the technical field of RFID radio frequency devices, and discloses an RFID wireless radio frequency anti-interference device which comprises a first shell and a second shell which are arranged on the upper side and the lower side of a chain type conveying belt, the first shell and the second shell form an anti-interference area, and a wireless radio frequency assembly is installed in the anti-interference area. The first shell is provided with an opening allowing materials on the chain type conveying belt to enter and exit, a shielding piece with the top end rotating is arranged in the opening, and the first shell is provided with a driving part used for driving the shielding piece to be unfolded and folded. According to the utility model, through the arrangement of the two shells, the shielding piece and the driving part, external signal interference can be effectively prevented when a measured object is measured, and the stability of data receiving and sending is ensured. 本实用新型涉