Material: Bio-Glass, Encapsulation Size: 1.25*7mm to 4*32mm Frequency: 125 Khz; 134 kHz; 13.56 MHz Protocol: FDX-B; HDX; ISO15693/4 Chip: EM4305, Classic 1 K, Ultralight, ICODE, Alien H3, etc Reading distance: 1 ~ 10 cm (Depend on reader and working environment) Data Retention: 10 Years Application: Chicken, Fish, Dogs, Poultry, Pets etc Certificate: ISO9001; letting Reader support: TJSC-M2 reader Show More