Title: Unveiling the ISO 18000-6C: The Protocol Behind UHF RFID and Its Versatile Applications - RFID LABEL (2024)

The International Standards Organization (ISO) and EPCglobal are two organizations that have worked together to establish standards and protocols for RFID equipment. These standards aim to provide universal specifications that promote the worldwide adoption of UHF RFID technology. The ISO 18000-6C is one such standard that has had a significant impact on the RFID industry.

Understanding ISO 18000-6C

The ISO 18000-6C standard describes the communication standards for UHF Class 1 Gen 2 ITF or Interrogator-Talks-First RFID readers and tags. In ITF RFID systems, the tag modulates its information and backscatters to the reader only after the reader sends the command.

Three essential components of reader-tag communication are defined in the ISO 18000-6C standard: how the information is coded, how it is modulated, and the anti-collision protocols used. This standard states that UHF Passive systems are ITF and use Pulse Interval Encoding (PIE), Amplitude-Shift Keying (ASK), and Q-algorithm (a form of slotted ALOHA).

Bit-Coding & Modulation

Pulse Interval Encoding (PIE) is used in ISO 18000-6C equipment for the reader to tag communication. It describes how a message is encoded before being sent from the reader to the tag. PIE, similar to Morse Code, uses long and short pauses to represent a “1” or a “0”. A longer pause indicates a “1” while a shorter pause indicates a “0”. PIE works in conjunction with Amplitude Shift Keying (ASK), which describes how the information is modulated. ASK changes the amplitude of the wave to represent digital data.

Two other bit-coding techniques also come into play: Miller Encoded Subcarrier (Miller ES) and Bi-Phase Space coding or FM0. Both of these methods are characterized by transitions instead of pauses.

Anti-Collision Protocols

The ISO 18000-6C also includes protocols to prevent collisions during inventory counts. If two tags respond at the same time to a reader, the reader cannot read either due to the collision. Anti-collision algorithms like the Q algorithm or adaptive Q algorithm are employed by the reader to make reading RFID tags in a room with two or more tags possible. This algorithm is a derivative of a prior one called Slotted ALOHA.

Popular Chips Compliant with ISO 18000-6C

Several popular RFID chips are compliant with the ISO 18000-6C standard. Some of these include the:

  1. Impinj Monza R6
  2. NXP UCODE 8
  3. Alien Higgs 3
  4. Alien Higgs 9
  5. NXP UCODE 7
  6. Impinj Monza 4

These chips are widely used in the industry due to their compliance with the ISO 18000-6C standard and their superior performance in various applications.

Applications of ISO 18000-6C Compliant RFID Tags

RFID technology compliant with the ISO 18000-6C standard finds its most prevalent application in inventory management and supply chain logistics. Businesses often use these tags to track the movement and location of goods throughout their supply chain. For instance, large retail stores use RFID tags to manage inventory in real-time, reduce errors in stock counts, and prevent theft.

Moreover, ISO 18000-6C compliant RFID tags play a critical role in transportation and logistics, where they are used for tracking shipments and containers# I’ll search for more information about the applications of ISO 18000-6C compliant RFID tags in transportation and logistics

sector, ISO 18000-6C compliant RFID tags are leveraged to track shipments and containers. They offer benefits such as improving efficiency, reducing human error, and providing real-time visibility of goods. This ability to track and trace goods as they move through the supply chain greatly enhances transparency and operational efficiency.

In addition, these tags are also utilized in the automobile industry, where they can be attached to vehicles during production to track their progress along the assembly line. They can also be used in toll collection systems, as vehicles equipped with these tags can be automatically identified and billed as they pass through toll booths.

In healthcare, RFID tags are used for tracking medical equipment, medication, and even patients. They help minimize errors, optimize inventory management, and improve patient safety. Also, in library management, these tags can be used to automate checkout and return processes, as well as inventory management.

In summary, RFID technology, specifically those compliant with the ISO 18000-6C standard, has a broad range of applications across various industries. Its capabilities in improving inventory and supply chain management, enhancing operational efficiency, and ensuring accurate tracking of items make it an invaluable tool in our increasingly interconnected and digital world.

Tamper-Proof UHF RFID Headlight Label 99x12mm | ISO18000-6C

UHF On-Metal RFID Label NXP® Ucode®8 64x6mm | ISO18000-6C

UHF On-Metal RFID Label Impinj Monza®R6P 70x50mm | ISO18000-6C

UHF On-Metal RFID Label Impinj Monza®R6P 80x40mm | ISO18000-6C

Title: Unveiling the ISO 18000-6C: The Protocol Behind UHF RFID and Its Versatile Applications - RFID LABEL (2024)


What is ISO 18000 6C? ›

ISO 18000-6 is an international standard governing the way tags and readers communicate in the UHF spectrum. There are currently three versions: 18000-6A, 18000-6B and 18000-6C. Of these, 18000-6C is by far the most commonly used.

What ISO standards are used for RFID tags? ›

Some of the most widely used ISO standards for RFID are ISO 14443 for contactless smart cards, ISO 15693 for vicinity cards, ISO 18000 for air interface communication, and ISO 19794 for biometric identification.

What are UHF RFID tags used for? ›

It improves processes in inventory management

UHF devices improve the accuracy of domestic control data by helping to reduce stocks. An RFID reader is able to read over 100 tags per second. Locating and identifying products easily allows for a faster carrying out of orders.

What is the RFID standard protocol? ›

ISO 11785 defines the technical standard of the RFID system, which operates at 134.2 kHz (Low Frequency). The standard specifies how the RFID tag is activated by the reader and how the data is transferred between them. The standard also defines two types of modulation schemes: FDX (Full Duplex) and HDX (Half Duplex).

What is ISO 18000 used for? ›

ISO 18000 is a set of occupational health and safety standards used to promote safe working environments.

What does ISO 18000 stand for? ›

ISO/IEC 18000, an international standard that describes a series of diverse RFID technologies, each using a unique frequency range. OHSAS 18001, an internationally used British Standard for occupational health and safety management systems, sometimes erroneously cited as an ISO standard.

What items should be RFID protected? ›

Bank account information on payment cards. Contactless payment methods on a cell phone. Personal identification details on a passport or driver's license. Security credentials on a government-issued badge.

What are the two types of RFID tags? ›

RFID systems can be broken down by the frequency band within which they operate. There are also two broad categories of systems—passive and active RFID.

Are RFID tags on clothes? ›

Areas of application for RFID tags

Fashion designers can leverage RFID tags to authenticate their own original clothes as well as identify relevant, unique identification for particular clothing, enabling better information, management, and design credits.

What is the difference between RFID and UHF? ›

RFID is a generic term that encompasses different operating frequencies and standards. UHF, which stands for “ultra-high frequency,” is a frequency band that covers the range from 300 MHz to 3 GHz. RAIN RFID devices operate within the UHF band (between 860 to 960 MHz) and align with a specific standard and protocol.

Is UHF RFID safe? ›

"The eyes are perhaps the most vulnerable part of our bodies to RF radiation." To avoid any potential harm to humans, Engels recommended, UHF RFID interrogators should be set back at least 0.5 meter (1.6 feet) from anyone who might receive constant exposure.

Where should you avoid placing RFID tags? ›

3 RFID placement

You should avoid placing the reader and the tag too close to metal and water surfaces, or in direct contact with them, as they can interfere with the radio waves.

What are the three types of RFID? ›

RFID tags can be grouped into three categories based on the range of frequencies they use to communicate data: low frequency (LF), high frequency (HF) and ultra-high frequency (UHF).

What is RFID vulnerable to? ›

It is important to note that RFID systems are vulnerable to physical attacks and eavesdropping and can also be susceptible to relay attacks. In a relay attack, an attacker uses two devices to extend the range of an RFID signal, allowing them to gain unauthorized access to a system or facility.

What is RFID in layman's terms? ›

Radio Frequency Identification (RFID) is a technology that uses radio waves to passively identify a tagged object. It is used in several commercial and industrial applications, from tracking items along a supply chain to keeping track of items checked out of a library.

What is the difference between ISO 18000 6C and ISO 18000 63? ›

What is the difference between ISO18,000-63 and -6C? They are the same standard, 18000-6C became 18000-63 in 2012 due to ISO naming rules that do not allow letters in standards names.

What is the ISO code for carbon? ›

ISO 14068-1 provides a methodology for assessing carbon neutrality, ensuring that efforts are true, fair, science-based and transparent. It unites carbon neutral and net zero to remove doubt and provides a defined structure that supports the journey to carbon neutral/net zero.

What is difference between ISO 18000 and ISO 45000? ›

The main difference between the two standards is ISO 45001 takes a proactive approach that requires hazard risks to be evaluated and remedied before they cause accidents and injuries, while OHSAS 18001 takes a reactive approach that focuses solely on risks and not solutions.

What is the ISO for pest control? ›

ISO 9001 Certification is the best and most trusted quality system certification for pest control companies.


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