Longest Read Range NFC Chips

20 chips

Read range is a crucial factor in NFC system design. While NFC is inherently a short-range technology (typically under 10 cm), actual read distances vary significantly between chip models due to differences in antenna design sensitivity, power harvesting efficiency, and communication protocols.\n\nThis ranking orders NFC chips by their maximum typical read range. Understanding range capabilities helps product designers optimize the user experience — whether it's a tap-to-pay terminal, an access control gate, or an interactive museum exhibit.
How we ranked these

Ranked by read_range_cm_max (descending). Only chips with documented read range data are included.

🥇 #1
ICODE SLIX

ICODE · NXP Semiconductors

ISO 15693 compliant NFC-V tag with 112 bytes of memory and 32-bit password protection. ICODE SLIX is the entry-level long-range tag for library management, featuring EAS (Electronic Article Surveillan

112B 15cm
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🥈 #2
ICODE SLIX2

ICODE · NXP Semiconductors

Enhanced ISO 15693 tag with 312 bytes of user memory, password protection, and originality signature. ICODE SLIX2 is the most popular choice for modern library RFID systems, offering extended memory f

320B 15cm
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🥉 #3
ICODE SLIX-S

ICODE · NXP Semiconductors

Mid-range ICODE variant with 256 bytes of memory, password protection, and originality signature. ICODE SLIX-S offers a balance between the basic SLIX and premium SLIX2, targeting cost-sensitive libra

256B 15cm
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  1. EM4233

    EM · EM Microelectronic

    EM Microelectronic's ISO 15693 compliant transponder with 224 bytes of user memory and 32-bit password protection. EM4233 is a cost-effective long-range tag widely deployed in library automation, laun

    256B 15cm
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  2. ICODE ILT

    ICODE · NXP Semiconductors

    ICODE variant optimized for item-level tagging in retail and fashion, offering 224 bytes of user memory with password protection. ICODE ILT combines ISO 15693 long-range reading with a compact die siz

    256B 15cm
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  3. ICODE DNA

    ICODE · NXP Semiconductors

    Premium ISO 15693 tag with AES-128 mutual authentication and 2,016 bytes of user memory. ICODE DNA provides the highest security level in the ICODE family, enabling authenticated supply chain tracking

    2016B 15cm
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  4. TRF7970A

    TRF · Texas Instruments

    Texas Instruments multi-protocol NFC transceiver IC supporting ISO 14443A/B, ISO 15693, and FeliCa protocols in a single chip. TRF7970A is a reader/writer IC (not a tag) used to build NFC reader syste

    10cm
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  5. ST25DV

    ST25 · STMicroelectronics

    Dynamic NFC/RFID tag with dual-interface: ISO 15693 wireless NFC and I2C wired connection to a host microcontroller. ST25DV features up to 64 Kbit of EEPROM, energy harvesting, fast transfer mode, and

    4096B 10cm
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  6. ST25TN

    ST25 · STMicroelectronics

    ISO 15693 NFC-V tag with AES-based augmented NDEF for cloud-authenticated URLs. ST25TN generates cryptographic signatures appended to NDEF URIs on each tap, enabling server-side product authentication

    256B 10cm
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  7. ST25TV

    ST25 · STMicroelectronics

    ISO 15693 NFC-V tag with 256 bytes, password protection, kill command, and tamper detect functionality. ST25TV's tamper detection output pin enables physical security monitoring, making it suitable fo

    256B 10cm
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  8. RF430FRL152H

    RF430 · Texas Instruments

    Texas Instruments NFC sensor transponder combining ISO 15693 wireless communication with a 14-bit sigma-delta ADC and 2 KB FRAM. RF430FRL152H enables batteryless NFC sensor tags that digitize temperat

    2048B 10cm
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  9. NTAG 5 Link

    NTAG · NXP Semiconductors

    NFC Forum Type 5 tag with I2C bridge interface, combining ISO 15693 long-range wireless access with wired microcontroller connectivity. NTAG 5 Link enables NFC-to-I2C data transfer, configuration prov

    1024B 10cm
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  10. M24LR

    M24LR · STMicroelectronics

    STMicroelectronics dual-interface EEPROM combining ISO 15693 RF wireless access with I2C wired interface. M24LR supports energy harvesting from the NFC RF field, enabling battery-free operation of con

    4096B 10cm
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  11. MIFARE DESFire Light

    MIFARE · NXP Semiconductors

    Cost-optimized DESFire variant with AES-128 encryption and transaction MAC in a smaller memory footprint. DESFire Light bridges the gap between MIFARE Ultralight AES and full DESFire, targeting single

    640B 5cm
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  12. NTAG 223 DNA

    NTAG · NXP Semiconductors

    Secure NFC Forum Type 2 tag with AES-128 authentication and SUN (Secure Unique NFC) message capability. NTAG 223 DNA generates unique, rolling authentication URLs on each tap, providing cloud-verifiab

    180B 5cm
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  13. MIFARE DESFire EV3

    MIFARE · NXP Semiconductors

    NXP's latest and most secure contactless smart card, adding SUN/SDM (Secure Unique NFC / Secure Dynamic Messaging), enhanced proximity checking, and delegated application management. DESFire EV3 is th

    2048B 5cm
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  14. MIFARE DESFire EV1

    MIFARE · NXP Semiconductors

    First generation DESFire with flexible file system supporting 3DES and AES-128 encryption. DESFire EV1 introduced the multi-application smart card architecture that became the industry standard for tr

    2048B 5cm
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  15. MIFARE Ultralight C

    MIFARE · NXP Semiconductors

    Enhanced MIFARE Ultralight with 3DES encryption for secure applications. Provides 144 bytes of user memory with hardware-based Triple DES authentication, targeting multi-trip transit cards, limited-us

    192B 5cm
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  16. MIFARE Plus EV2

    MIFARE · NXP Semiconductors

    Advanced MIFARE Plus with AES-128 encryption and proximity check for relay attack prevention. Plus EV2 adds transaction MAC, originality check, and multi-level security (SL1-SL3) for gradual migration

    2048B 5cm
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  17. MIFARE Classic 4K

    MIFARE · NXP Semiconductors

    Extended-memory MIFARE Classic with 4 KB organized in 40 sectors (32 small + 8 large). Provides 3,440 bytes of user memory with Crypto-1 sector authentication. Used in transit systems and campus cards

    4096B 5cm
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Frequently Asked Questions

What is the maximum range of NFC?
While NFC operates at up to 10 cm theoretically, most NFC interactions happen at 1-4 cm. Chips optimized for range (like some ICODE and MIFARE Plus models) can achieve 7-10 cm with proper antenna design and reader configuration.
Why does NFC range vary between chips?
Range depends on the chip's power harvesting efficiency, modulation sensitivity, antenna coupling, and the reader's output power. Chips with better RF front-ends and lower operating power thresholds achieve greater read distances.

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