Chip manufacturer: OF (Texas Instruments) Chip: OF (Texas Instruments), HDX (Half Duplex) Kakawanda: 134.2kHz Capacity: RI-TRP-R4FF, RI-TRP-R4FF-30, 64 Bit Read-Only RI-TRP-W4FF, RI-TRP-W4FF-30, 80 Bit Read/Write Agreement standards: ISO11784, ISO11785 Compliant Working mode: read/write Communication speed: 106KBoud Read and write distance: 100cm Erase life: 100,000 (nguva) Kushanda tembiricha: -25°C~+50°C Size: 85.6×54×1.3mm Material: PVC Weight: 12 grams Executive Standard: ISO 7810