... 17mm,245 x 26mm etc(PVC,Paper)CircumferenceAdult / ChildWorking Frequency125 KHz / 13.56 MHz /UHFReading RangeDepending on the reader designMaterialTYVEK, Plastic ... )Storage Temperature-25 to 120 (Centigrade)Assembly\ Available RFID Chip 125 KHzEM4200 / EM4100, ATA5577, HITAG 1, HITAG 2, HITAG S256, HITAG ...