Surgical instrument management can be seen easily in hospital. As this requires harsh condition for the tag, material of this tag is unique. It can be not only suitable for high temperature sterilization, but also for biocompatibility. Here comes UHF anti-metal tag.With this condition, ANG Tech produce a type of RFID tag which fits medical working environment. This tag is usually used in surgical instrument tracking, therefore, the tag is with UHF chip and the material is anti-metal. As it needs to be high temperature resistant, it is also made of ceramic.