work frequency 134.2Khz, standard ISO11784/11785, FDX-B, rfid animal injection with Bio-Glass tube pre-loaded in sterialized. HCT-IT-20301 tag with injection is Animal Bio-Glass Tube Tag pre-loaded in a sterilized injector sealed and processed in EO gas, it can be injected under an animals skin. So that it can used for tracking pet..The glass tube within injection made of the material which ...