Double-frequency anti-metal tag

The utility model relates to the technical field of anti-metal tags, in particular to a double-frequency anti-metal tag, which comprises a rubber shell internally connected with a ceramic shell. The shrinkage sleeve is connected to the inner side of the ceramic shell; and the telescopic plate is connected to the interior of the telescopic sleeve in a sliding manner. According to the utility model, the defects in the prior art are overcome, the retractable sleeve and the retractable plate are arranged, the rear end of the retractable plate is connected with the magnetic suction plate, the magnetic suction plate is adsorbed on metal, and the main body is pulled far through the retractable plate and the retractable sleeve, so that the main body label is kept away from the metal; meanwhile, the RFID tag is provided with the ceramic shell and the rubber shell, due to the characteristics of ceramic materials, the RFID tag is not prone to being interfered or damaged by electromagnetic waves, the reading efficiency a