protocol communication: ISO14443A, ISO15693 or specified Response frequency: 13.56MHz Read distance: ad 8cm (fretus in antenna magnitudine et legere fabrica) material: ABS or ABS+PC Shape: round Size: φ25mm et φ30mm, potest customized crassitudine: 2mm vel 3mm, customizable Color: viridi,, rubrum, caeruleum, flavo, can be specified Working temperature: -25℃~+80℃ Process: Plastic Injection Notice: JavaScript requiritur ad hoc contentus.