s50 rfid card - Official Website.RFID solutions perfect for cashless vending and hotel access control.RFID NFC N-TAG 216 NFC Cards.RFID Card enables contactless identification for security, access control, and payment.

# S50 RFID Card: The Industry Standard for Contactless Identification and Access Control The **S50 RFID card** is one of the most widely recognized and deployed contactless smart cards in the world. Based on the NXP (formerly Philips) Mifare Classic 1K chip, this card operates at a frequency of **13.56 MHz** and complies with the **ISO/IEC 14443 Type A** standard. It has become a cornerstone for applications ranging from access control systems to public transportation, loyalty programs, and even event ticketing. ## Understanding the S50 RFID Card Architecture The S50 RFID card is not just a simple identification tag; it is a sophisticated piece of technology that balances security, cost, and performance. At its core, the card contains a silicon chip connected to an antenna coil, all laminated within a PVC or PET plastic body. ### Key Technical Parameters of the S50 RFID Card For engineers, system integrators, and procurement professionals, the following technical specifications are critical. *Please note: These parameters are provided as reference data. For exact specifications tailored to your project, please contact the backend administrator.* - **Chip Type:** NXP MF1 IC S50 (Mifare Classic 1K) - **Operating Frequency:** 13.56 MHz (High Frequency, HF) - **Protocol:** ISO/IEC 14443-3 Type A - **Memory Size:** 1 Kbyte (1024 bytes), organized into 16 sectors of 4 blocks each (64 blocks total, 16 bytes per block) - **Data Retention:** 10 years (typical) - **Write Endurance:** 100,000 cycles (typical) - **Read Range:** Up to 10 cm (depending on reader antenna and power) - **Communication Speed:** 106 kbps (kilobits per second) - **Anti-Collision:** Yes, supports multiple cards in field (up to 10 cards, typically) - **Security:** 48-bit unique serial number (UID), 7-byte UID per ISO 14443-3 cascade level 1. Uses a proprietary Crypto-1 stream cipher for authentication and encryption. - **Power Supply:** Passive (powered by the reader’s RF field) - **Dimensions:** Typically 85.6 mm x 54.0 mm x 0.84 mm (credit card size, ID-1) - **Operating Temperature:** -25°C to +70°C - **Storage Temperature:** -40°C to +85°C ### Memory Structure and Access Control The 1 Kbyte memory of the S50 is not a simple flat array. It is divided into 16 sectors, each containing 4 blocks. Each block holds 16 bytes of data. The first block of the entire chip (Block 0, Sector 0) is reserved for the manufacturer’s unique identifier (UID) and cannot

Choosing the Right RFID Solution

When selecting RFID technology for your organization, consider:

1. Application requirements: Access control, payments, inventory tracking
2. Environment: Indoor, outdoor, harsh conditions
3. Read range: Close proximity or longer distances
4. Integration needs: Compatibility with existing systems
5. Budget: Initial investment and total cost of ownership