{"id":3195,"date":"2024-03-20T17:53:58","date_gmt":"2024-03-20T09:53:58","guid":{"rendered":"http:\/\/demo.lezhan.org\/?post_type=product&p=3195"},"modified":"2026-04-20T19:05:43","modified_gmt":"2026-04-20T11:05:43","slug":"nxp-mifare-classic-ev1-4k-s70-card","status":"publish","type":"product","link":"https:\/\/www.dccochina.com\/es\/shop\/nxp-mifare-classic-ev1-4k-s70-card\/","title":{"rendered":"NXP Mifare Classic EV1 4K S70 Card"},"content":{"rendered":"

Key Technical Features:<\/span><\/h3>\n

1. Storage Capacity and Structure<\/strong>
\nTotal capacity is 4KB (32Kbit) EEPROM, divided into 40 sectors:
\nThe first 32 sectors (Sectors 0\u201331) are \u201csmall sectors,\u201d each containing 4 data blocks, totaling 64 bytes;
\nThe last 8 sectors (Sectors 32\u201339) are \u201clarge sectors,\u201d each containing 16 data blocks, totaling 256 bytes.
\nEach sector has independent key A and key B (6 bytes each) and access control bits, enabling fine-grained access control.<\/p>\n

2. Security Mechanism<\/strong>
\nEmploys NXP’s proprietary Crypto1 encryption algorithm for two-way authentication, adhering to the ISO\/IEC 9798-2 three-way handshake protocol.
\nAlthough it possesses logical encryption capabilities, the algorithm was successfully cracked by researchers in Germany and the United States in 2008\u20132009, posing a risk of cloning and unauthorized reading.
\nTherefore, its security is lower than that of CPU cards using public encryption standards (such as 3DES and AES), making it suitable for low to medium security requirements.<\/p>\n

3. Physical and Communication Parameters<\/strong>
\nOperating distance: Typical 2.5\u201310cm, depending on reader performance;
\nCommunication rate: 106Kb\/s;
\nSupports anti-collision mechanisms, allowing multiple cards to operate simultaneously;
\nData retention up to 10 years, write\/erase cycle exceeding 100,000 times.<\/p>\n

4. UID and Compatibility<\/strong>
\nSupports 4-byte or 7-byte UIDs, but different lengths may cause reader compatibility issues;
\nThe EV1 version improves the manufacturing process and stability based on the original S70, enhancing compatibility and reliability with existing systems.<\/p>","protected":false},"excerpt":{"rendered":"

The NXP Mifare Classic EV1 4K S70 is a contactless logic-encrypted smart card based on the ISO\/IEC 14443-A standard, operating at a frequency of 13.56MHz. It is widely used in access control, transportation, and small-amount payment scenarios. Its core technology originates from the NXP Mifare Classic series and is an enhanced version of the S70 model, with optimizations in compatibility and security.<\/p>","protected":false},"featured_media":2305,"template":"","meta":[],"product_cat":[115],"product_tag":[78],"class_list":["post-3195","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-13-56mhz-card","product_tag-nxp-mifare-classic-ev1-4k-s70-card"],"yoast_head":"\nNXP Mifare Classic EV1 4K S70 Card - Dcco<\/title>\n<meta name=\"description\" content=\"Developed by NXP, the NXP Mifare Classic EV1 4K S70 card is one of the most widely used cards, used to make public transportation cards, hotel key cards, etc.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dccochina.com\/es\/shop\/nxp-mifare-classic-ev1-4k-s70-card\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NXP Mifare Classic EV1 4K S70 Card - Dcco\" \/>\n<meta property=\"og:description\" content=\"Developed by NXP, the NXP Mifare Classic EV1 4K S70 card is one of the most widely used cards, used to make public transportation cards, hotel key cards, etc.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dccochina.com\/es\/shop\/nxp-mifare-classic-ev1-4k-s70-card\/\" \/>\n<meta property=\"og:site_name\" content=\"Dcco\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-20T11:05:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.dccochina.com\/wp-content\/uploads\/2023\/12\/DSC00527-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1708\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.dccochina.com\/shop\/nxp-mifare-classic-ev1-4k-s70-card\/\",\"url\":\"https:\/\/www.dccochina.com\/shop\/nxp-mifare-classic-ev1-4k-s70-card\/\",\"name\":\"NXP Mifare Classic EV1 4K S70 Card - 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