Choose RFID Chip（IC）that Suits You IC
Introduction to RFID Chips
Radio Frequency Identification (RFID chips are microchips that transmit data via radio waves, enabling seamless and contactless communication between tags and readers. These chips are the core components of RFID systems, used across various industries for tracking, identification, and data management. This article provides a comprehensive overview of RFID chips, including their types, features, applications, and specific chip models.
Types of RFID Chips
1. Classification by Chip Type
Silicon Chips
These chips are encapsulated in epoxy resin and embedded in plastic or glass tags. They are known for their durability and reliability, making them suitable for a wide range of applications, from industrial environments to consumer products.
Features: Encapsulated in a thin layer of epoxy resin and inserted into small plastic or glass tags.
Applications: Suitable for high reliability and durability, such as industrial equipment, medical devices, and harsh environments.
Advantages: Stable performance and strong resistance to interference.
Printed Circuit Board (PCB) Chips
PCB chips consist of etched copper antennas and adjacent computer chips. They are designed for applications requiring high precision and are often used in specialized industrial settings.
Features: Consist of etched copper antennas and adjacent computer chips, with no electrical components.
Applications: Ideal for scenarios requiring larger antenna areas, such as large equipment tags.
Advantages: Lower cost and ease of customization.
2. Classification by Operating Frequency
Low Frequency (LF) RFID Chips
LF RFID chips operate at frequencies between 125 kHz and 134 kHz. They have a limited read range, typically up to a few centimeters, but are highly effective in environments with high levels of interference, such as those with metal or water. LF chips are commonly used in access control systems and animal tracking.
Frequency Range: 30 KHz – 500 KHz (typical frequency: 125 KHz)
Transmission Range: A few inches to less than 6 feet
Applications: Animal identification, access control systems
Advantages: Strong penetration ability, suitable for close-range identification
High Frequency (HF) RFID Chips
HF RFID chips operate at 13.56 MHz. They offer a moderate read range of up to a few centimeters to a meter. HF chips are widely used in applications such as contactless payment systems, library management, and electronic ticketing due to their ability to handle moderate levels of interference. Frequency Range: 3 MHz – 30 MHz (typical frequency: 13.56 MHz)
Transmission Range: A few inches to a few feet
Applications: Library systems, contactless payment
Advantages: Higher data transfer rates, suitable for medium-range identification
Ultra High Frequency (UHF) RFID Chips
UHF RFID chips operate in the frequency range of 860 MHz to 960 MHz. They provide the longest read range, often extending up to several meters. UHF chips are ideal for supply chain management, asset tracking, and inventory control due to their ability to read multiple tags simultaneously and their high-speed data transmission capabilities. Frequency Range: 300 MHz – 960 MHz (typical frequency: 433 MHz)
Transmission Range: Up to 25 feet or more
Applications: Supply chain management, logistics tracking
Advantages: Long transmission distance, suitable for large-scale applications
Microwave RFID Chips
Microwave RFID chips operate at frequencies above 2.45 GHz. They offer the longest read range and the highest data transmission rates. However, they are also the most susceptible to interference and require more complex antenna designs. Microwave RFID systems are used in specialized applications such as long-range vehicle identification and high-speed toll collection. Frequency Range: 2.45 GHz
Transmission Range: Up to 30 feet or more
Applications: High-speed traffic monitoring, remote monitoring
Advantages: Long transmission distance, high data transfer rates
3. Classification by Chip Function
The RFID system operates on a two-way communication model. The reader, connected to a database, sends signals to the tag, which responds by transmitting stored information. This process is facilitated through electromagnetic induction between the reader and the transponder. The primary function of RFID chips is to provide accurate and up-to-date information about tagged items, enhancing the efficiency of inventory management, asset tracking, and security systems.
Memory Chips
Features: Store data such as product information and user data.
Applications: Supply chain management, identity verification
Advantages: Large data storage capacity, support for multiple read/write operations
Encryption Chips
Features: Provide data encryption to ensure information security.
Applications: Financial payments, secure access
Advantages: High security, prevention of data leakage
Sensor Chips
Features: Integrate sensor functions to detect environmental parameters such as temperature and humidity.
Applications: Environmental monitoring, logistics monitoring
Advantages: Real-time monitoring, provision of environmental data
Detailed Chip Models and Parameters
Low Frequency (LF) RFID Chips
Frequency: 125 KHz
Maximum Read Range: Up to 30 cm (special antennas and tags can reach 2 meters)
Chip Models
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TK4100
- Memory: 64-bit
- Protocol: ISO7815
- Read/Write: Read-only
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EM4200
- Memory: 128-bit
- Protocol: ISO7815
- Read/Write: Read-only
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EM4305
- Memory: 512-bit
- Protocol: ISO11784/11785
- Read/Write: Read/write
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EM4450
- Memory: 1 kbit
- Protocol: ISO11784/11785
- Read/Write: Read/write
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ATA5577
- Memory: 224-bit
- Protocol: ISO11784/11785
- Read/Write: Read/write
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Hitag 1
- Memory: 2048-bit
- Protocol: ISO11784/11785
- Read/Write: Read/write
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Hitag 2
- Memory: 256-bit
- Protocol: ISO11784/11785
- Read/Write: Read/write
High Frequency (HF) RFID Chips
Frequency: 13.56 MHz
Maximum Read Range: Up to 1.5 meters (special antennas and tags can reach 2 meters)
NXP MIFARE Classic Series
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MIFARE Classic 1K (S50)
- Memory: 1 Kbyte
- Protocol: ISO14443A
- Read/Write: Read/write
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MIFARE Classic 4K (S70)
- Memory: 4 Kbyte
- Protocol: ISO14443A
- Read/Write: Read/write
NXP MIFARE Ultralight Series
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MIFARE Ultralight EV1
- Memory: 512-bit
- Protocol: ISO14443A
- Read/Write: Read/write
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MIFARE Ultralight C
- Memory: 192 bytes
- Protocol: ISO14443A
- Read/Write: Read/write
NXP MIFARE Plus
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MIFARE Plus EV2 (2K)
- Memory: 2 Kbyte
- Protocol: ISO14443A
- Read/Write: Read/write
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MIFARE Plus EV2 (4K)
- Memory: 4 Kbyte
- Protocol: ISO14443A
- Read/Write: Read/write
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MIFARE Plus SE (2K)
- Memory: 2 Kbyte
- Protocol: ISO14443A
- Read/Write: Read/write
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MIFARE Plus SE (4K)
- Memory: 4 Kbyte
- Protocol: ISO14443A
- Read/Write: Read/write
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MIFARE Plus X (2K)
- Memory: 2 Kbyte
- Protocol: ISO14443A
- Read/Write: Read/write
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MIFARE Plus X (4K)
- Memory: 4 Kbyte
- Protocol: ISO14443A
- Read/Write: Read/write
NXP MIFARE Desire
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MIFARE Desire Light
- Memory: 640 bytes
- Protocol: ISO14443A
- Read/Write: Read/write
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MIFARE Desire EV3 (2K)
- Memory: 2 Kbyte
- Protocol: ISO14443A
- Read/Write: Read/write
-
MIFARE Desire EV3 (4K)
- Memory: 4 Kbyte
- Protocol: ISO14443A
- Read/Write: Read/write
-
MIFARE Desire EV3 (8K)
- Memory: 8 Kbyte
- Protocol: ISO14443A
- Read/Write: Read/write
NXP NTAG Series
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NTAG 213
- Memory: 144 bytes
- Protocol: ISO14443A
- Read/Write: Read/write
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NTAG 215
- Memory: 504 bytes
- Protocol: ISO14443A
- Read/Write: Read/write
-
NTAG 216
- Memory: 888 bytes
- Protocol: ISO14443A
- Read/Write: Read/write
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NTAG 213 Tag Temper
- Memory: 144 bytes
- Protocol: ISO14443A
- Read/Write: Read/write
-
NTAG 424 DNA
- Memory: 416 bytes
- Protocol: ISO14443A
- Read/Write: Read/write
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NTAG 424 DNA Tag Tamper
- Memory: 416 bytes
- Protocol: ISO14443A
- Read/Write: Read/write
NXP ICODE Series
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ICODE SLIX
- Memory: 896 bits
- Protocol: ISO15693/ISO 18000-3M1
- Read/Write: Read/write
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ICODE SLIX 2
- Memory: 2528 bits
- Protocol: ISO15693/ISO 18000-3M1
- Read/Write: Read/write
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ICODE SLIX-L
- Memory: 256 bits
- Protocol: ISO15693/ISO 18000-3M1
- Read/Write: Read/write
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ICODE SLIX-S
- Memory: 1280 bits
- Protocol: ISO15693/ISO 18000-3M1
- Read/Write: Read/write
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ICODE DNA
- Memory: 2016 bits
- Protocol: ISO15693/ISO 18000-3M1
- Read/Write: Read/write
Texas Instruments
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Tag-It™ HF-I Standard (TI 256)
- Memory: 256 bytes
- Protocol: ISO15693
- Read/Write: Read/write
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Tag-It™ HF-I Plus (TI 2048)
- Memory: 2 Kbytes
- Protocol: ISO15693
- Read/Write: Read/write
Ultra High Frequency (UHF) RFID Chips
Frequency: 840 MHz – 960 MHz
Maximum Read Range: Up to 10 meters (special antennas and tags can reach 15 meters or more)
ALIEN Higgs Series
-
Higgs 3
- EPC Memory: 96 bits
- User Memory: 512 bits
- Protocol: EPC Class1 Gen2/ISO 18000-6C
- Read/Write: Read/write
-
Higgs 4
- EPC Memory: 128 bits
- User Memory: 512 bits
- Protocol: EPC Class1 Gen2/ISO 18000-6C
- Read/Write: Read/write
IMPINJ MONZA Series
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MONZA 4QT
- EPC Memory: 128 bits
- User Memory: 512 bits
- Protocol: EPC Class1 Gen2/ISO 18000-6C
- Read/Write: Read/write
-
Monza 5
- EPC Memory: 128 bits
- User Memory: 32 bits
- Protocol: EPC Class1 Gen2/ISO 18000-6C
- Read/Write: Read/write
-
Monza R6
- EPC Memory: 96 bits
- Protocol: EPC Class1 Gen2/ISO 18000-6C
- Read/Write: Read/write
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Monza R6-P
- EPC Memory: 96 bits
- User Memory: 32 bits
- Protocol: EPC Class1 Gen2/ISO 18000-6C
- Read/Write: Read/write
NXP UCODE Series
-
UCODE 7
- EPC Memory: 128 bits
- Protocol: EPC Class1 Gen2/ISO 18000-6C
- Read/Write: Read/write
-
UCODE 7m
- EPC Memory: 128 bits
- Protocol: EPC Class1 Gen2/ISO 18000-6C
- Read/Write: Read/write
-
Ucode 8
- EPC Memory: 128 bits
- Protocol: EPC Class1 Gen2/ISO 18000-6C
- Read/Write: Read/write
-
Ucode 8m
- EPC Memory: 96 bits
- User Memory: 32 bits
- Protocol: EPC Class1 Gen2/ISO 18000-6C
- Read/Write: Read/write
-
UCODE DNA
- EPC Memory: 224 bits
- User Memory: 3072 bits
- Protocol: EPC Class1 Gen2/ISO 18000-6C
- Read/Write: Read/write
Applications of RFID Chips
Low Frequency (LF) RFID Chips
- Animal Identification: Used in pet tracking and livestock management.
- Access Control: Common in building entry systems and secure areas.
High Frequency (HF) RFID Chips
- Library Systems: Facilitate book tracking and inventory management.
- Contactless Payment: Used in payment cards and mobile payment systems.
- Healthcare: Track patient information and medical equipment.
Ultra High Frequency (UHF) RFID Chips
- Supply Chain Management: Track goods in warehouses and during transportation.
- Logistics Tracking: Monitor packages and shipments in real-time.
- Retail: Manage inventory and prevent theft.
Microwave RFID Chips
Microwave RFID chips operate at frequencies above 2.45 GHz. They offer the longest read range and the highest data transmission rates. However, they are also the most susceptible to interference and require more complex antenna designs. Microwave RFID systems are used in specialized applications such as long-range vehicle identification and high-speed toll collection.
- High-Speed Traffic Monitoring: Used in toll booths and traffic management systems.
- Remote Monitoring: Ideal for long-range surveillance and asset tracking.
Identification Methods of RFID Chips The primary function of RFID chips is to authenticate the identity of tagged items. This is achieved through the reader scanning the tag and comparing the stored information with the data in a central database. The process is simple, efficient, and highly reliable, making it a preferred method for applications such as supply chain management, where real-time tracking and verification are crucial.
Security of RFID Chips The security of RFID chips is a critical aspect, especially given the sensitive nature of the data they store. RFID signal transmission can be affected by various factors, including transmission power, distance, and physical obstructions. To enhance security, RFID chips often employ encryption techniques to protect the stored information. Additionally, advanced RFID systems incorporate authentication protocols and access controls to prevent unauthorized access and ensure data integrity.
Conclusion
RFID chips offer a versatile and powerful solution for a wide range of applications, from simple access control to complex supply chain management. This article has provided a comprehensive overview of RFID chips, including their types, features, applications, and specific chip models. By understanding the capabilities and limitations of each type of RFID chip, users can make informed decisions to select the most suitable chip for their specific needs. Whether it’s for industrial use, healthcare, or everyday applications, RFID technology continues to enhance efficiency, security, and data management.
