{"product_id":"fm4442-contact-smart-card-chip-card-for-hotel-key-card-access-control-system-20","title":"FM4442 Contact Smart Card Chip Card for Hotel Key Card\/Access Control System (20)","description":"\u003cp\u003eIntroduction:FM4442 chip card compatible with SLE4442 cardprovides a security code logic which controls the write\/erase access to the memory.The FM 4442 contains a 4-byte security memory with an Error Counter EC (bit 0 to bit 2) and 3 bytes reference data. These 3 bytes as a whole are called Programmable Security Code (PSC). After power on the whole memory, except for the reference data, can only be read. Only after a successful comparison of verification data with the internal reference data the memory has the identical access functionality of the SLE 4432 until the power is switched off. Features:? Byte-wise addressing ? Irreversible byte-wise write protection of lowest 32 addresses (Byte 0 ... 31)  ? 32    1-bit organization of protection memory ? Two-wire link protocol  ? End of processing indicated at data output ? Answer-to-Reset acc. to ISO standard 7816-3 ? Programming time 2.5 ms per byte for both erasing and writing ? Minimum of 104 write\/erase cycles1) ? Data retention for minimum of ten years1) ? Contact configuration and serial interface in accordance with ISO standard 7816 (synchronous transmission)Applications: Turnstiles Vender,Parking meters e-Payment Gaming \u0026amp; toys Mobile payment, PayPal, Google Wallet, Ticketing,Point of Sale, Coupons Tour guide,etc\u003c\/p\u003e","brand":"FONGWAH","offers":[{"title":"Default Title","offer_id":44214911795236,"sku":"WBEEAB07GH5162V","price":18.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/9839\/9780\/files\/519NCMfCczL.jpg?v=1780081162","url":"https:\/\/electroeshop.com\/products\/fm4442-contact-smart-card-chip-card-for-hotel-key-card-access-control-system-20","provider":"Electroeshop","version":"1.0","type":"link"}