About mf 1 ic s50: - ic manufacturer: nxp founded by philips - wafer die: mf 1 ic s50 - function: read/write protect by password - memory: 1k-byte eeprom(16 sectors) - frequency: 13.56mhz - rf protocol: iso 14443a - modulation: ask Key feature of mifare 1k card: - dimensions: cr80 85.60 x 53.98mm - thickness: 0.84mm - material: pvc, pet - card surface: matte/ gloss finish - housing: lamination - working frequency: 13.56mhz - reading distance: 6cm typically - data storage time: 10 years - package: 200pcs per inner box; 20 inner boxes per carton, each carton gross weight at 28kgs Printing option: - full color offset printing - silk-screen printing - silver/gold silk-screen printing background Options on standard card: - magnetic stripe option: 300oe, 2750oe, 4000oe - numbering: jet dot/ thermo transfer/ laser engrave - barcode printing - signature panel - embossing Outer carton size:50*22*14 12kg