Supported chips: TK4100, Hitag 2/S 256(EM4305 on option)Frequency: 125 and 134.2kHz Protocol: German waste management standard and pigeon race standardInstallation method: set the leg on chicken’s feet, fasten lockAnti-shock, water-resistant and stableSize: 20 x 8mmApplications: pigeons, chickens, ducks and other birds identification, poultry breeding, disease prevention, meat and other animal quarantineParameters:Chip: EM4100/TK4100:Frequency: 125 ± 6kHzOperating temperatures: -40 to 85°CStorage temperatures: -55 to 100°CStorage capacity: 64 (bits)Reading range: 2 to 20cmWorking mode: read onlyChip: Hitag 2/S 256Frequency: 125 ± 6kHzReading time: 1 to 2msReading distance: 2.5 to 10cmOperating temperatures: -40 to 85°CStorage temperatures: -55 to 100°CEndurance: >100,000 timesData storage: >10 yearsStorage capacity: 256 bit, 32-bit unique ID serial numberWorking mode: read and write