protokol komunikasi: ISO14443A, ISO15693 or specified Response frequency: 13.56MHz Read distance: up to 8CM (depending on antenna size and reading device) material: ABS or ABS+PC Shape: round Size: φ25mm or φ30mm, can be customized Thickness: 2mm or 3mm, customizable Color: hejo, beureum, biru, koneng, can be specified Working temperature: -25℃~+80℃ Process: Plastic Injection