2 16 32 bit magnetic swipe cards

{"cid":"91199076","title":"32 Bit Contactless Smart Card Chip 2*16\/32 Bit Timer 152KB EEPROM Supporting Memory Security Protection Mechanism","imgUrl":"https:\/\/img.ismap.com\/nimg\/c6\/73\/a9dd1c7eeb7433210cdb159ae1be-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Wisecard","Minimum Order Quantity":"Negotiable","Delivery Time":"7 week days","Place of Origin":"Shenzhen","Certification":"ISO 14443\/7816","Payment Terms":"T\/T","Supply Ability":"100,000 pcs per week","Packaging Details":"200pcs\/box, 10boxes\/carton; For standard size card or customized boxes or cartons as required.","Random Number":"Supports Master-slave Mode, Support 400KHZ","Main Frequency":"72 MHZ","Interface 7816":"Comply With ISO\/IEC 7816 T=0\/1 Standard; Supports Up To 446400bps","CPU":"32 Bit","EEPROM":"152KB","Memory":"Supports Memory Security Protection Mechanism","Timer":"2*16\/32 Bit Timer","Security Algorithm":"Number Supports True Random Number, In Line With AIS31-P2 Standard"}}