Chip: EM4450/EM4550 Working frequency: 125KHz/134.2KHz Capacity: 1Kbit 1 KBit of EEPROM organized in 32 words of 32 fasi 32 bit Device Serial Number (Read Only Laser ROM) 32 bit Device Identification (Read Only Laser ROM) Working mode: R/W Read range: 1~10cm Working temperature: -40°C~+85°C Storage temperature: -55°C~+125°C R/W life: 100,000 times Storage: 10 years Material: PVC/ABS/PET/PETG/PS/Paper, 0.13mm copper wire Size: …

Chip: EM4450 Induction frequency: 100KHz~150KHz Standard: compatible with ISO11784/ISO11785 protocol EEPROM: 1024bit R/W distance: 2~5cm Read/write time: < 2ms Operating temperature: -20℃~+80℃ Storage data: 10 year Endurance: > 100,000 times Material: PVC/ABS/PET/PETG/PHA/Paper, 0.13mm copper wire Card dimensions: ISO standard card L85.6×W54×T0.80(±0.4)mm, po'o fa'amaoti le tele