UHF (RAIN) RFID Chip Type

UHF (RAIN) RFID Chip Type

UHF (RAIN) RFID Chip Type

An Ultra-High Frequency (UHF) chip is a type of radio frequency identification (RFID) tag that uses radio waves to communicate with a reader or transmitter.

UHF (Ultra High Frequency) RFID tag that works at frequencies between 860-960 MHz.

Four frequency bands are used in tag design:

  • Low Frequency – 125/134 kHz
  • High Frequency – 13.56 MHz
  • Ultra-High Frequency – 433 MHz (sometimes called Very High VHF), 860-960 MHz
  • Microwave Frequency – 2.45 GHz

  •                                                                                                                                                        Fig 1: RFID Frequency Spectrum

    At UHF frequencies we can achieve much longer read ranges, much higher data-rate and maximum traceability.


    Inside the UHF chip consists of antenna and microchip which operates together when a RFID reader or Scanner emits radio frequency signals, the UHF chip backscatter to the reader with the information stored inside the chip.


    RFID Chips are integrated circuits (IC) encapsulated inside RFID labels or Tags which are responsible for data storage as well as handling process logic based. Nowadays, UHF RFID Chips are being opted by the varieties of industries like retails, healthcare, logistics, transportation with the help of applications like asset management, Inventory management and supply chain management.


    There are mainly three components of UHF RFID Tags which are as follows:

    • RFID Chip (Integrated Circuit): Responsible data storage as well as handling processing logic based on the respective             protocol.
    • Tag Antenna: An RFID (Radio Frequency Identification) tag antenna is an integral part of an RFID system that is used to receive and transmit signals between the RFID reader and the tag.

    RFID tags are typically composed of a microchip that stores data and an antenna that used to communicate with the reader. The operating frequency of an RFID system can be low frequency (LF), high frequency (HF), or ultra-high frequency (UHF).

    Overall, the RFID tag antenna plays a crucial role in the functionality and performance of an RFID system by facilitating communication between the tag and reader.

                                          

    Fig 2: HF & UHF Tag Inlay Construction


    • Substrate: RFID (Radio Frequency Identification) substrates are specialized materials used to make RFID tags. These substrates are typically made of thin films of materials such as plastic or paper, which are coated with conductive materials such as aluminium or copper.

    The conductive layer is used to create the antenna of the RFID tag, which is the part that interacts with the reader to transmit and receive information. The substrate also used as a base for attaching other components, such as the RFID chip and adhesive layers.

    The choice of substrate material depends on the specific application and requirements of the RFID tag. For example, plastic substrates used in applications where durability and moisture resistance are important, while paper substrates are often used in disposable or short-term applications.

    Overall, RFID substrates play a critical role in the performance and functionality of RFID tags, enabling them to function reliably and efficiently in a variety of environments and applications.

    UHF (Integrated Circuit) are further divided into four memory banks:

    To know more about UHF (Integrated Circuits) chip memory one can refer the tag’s specifications and data sheet. We have mentioned specification about each memory bank below:

    • Bank 00: Reserved Memory ­– This Memory Bank hold the tag’s passwords so that no prohibited person can write on Tag. Reserved memory can be read-locked. Reserved Memory stores the Kill and Access password of 32 bits each. By using Kill password, we can disable the tag permanently and Access password used to Lock & Unlock the Tag.
    • Bank 01: EPC Memory – Electronic Product Code is defined as the unique universal identifier to provide for every asset or product to store the EPC code. EPC memory bank is writable memory bank of minimum 96 Bits and can be up to 512 Bits (depending upon the tags).
    • Bank 10: TID Memory – This Memory stores the unique Tag ID which means each tag is universally unique, this memory part cannot be changed. This memory bank cannot be duplicate as it is provided by the manufacturer when the Tag IC is manufactured.
    • Bank 11: User Memory – This Memory bank is an optional memory which can be used by a user if he needs more memory than the EPC memory, some of the IC have extended memory which is used to record more data. User Memory can be extended maximum to 512 bits, but now advanced memory tags are there can support up to 4K & 8k bytes. Typically, this memory bank is User defined.

                                                  

                                                                    Fig 3: UHF Gen2 Memory Bank


    Top Manufacturers of Integrated Circuits (IC) Chips:

    NXP SEMICONDUCTORS


                NameEPC Memory      User Memory                       TID Prefix                                                    TID Memory
    NXP UCODE 5    128-bit                         32-bit                                        E280 1102                     96 bits of serialized TID with 48-bit serial number
    NXP UCODE 6     96-bit                -                          E280 1160                      96 bits of serialized TID with 48-bit serial number
    NXP UCODE 7    128-bit                -                          E280 6810                      96 bits of serialized TID with 48-bit serial number
    NXP UCODE 7+    448-bit           2K-bit                          E280 6D92                              96 bits of serialized TID with 48-bit serial number
    NXP UCODE 7XM    448-bit           1K-bit                          E280 6D12                      96 bits of serialized TID with 48-bit serial number
    NXP UCODE 7XM    448-bit           2K-bit                          E280 6F12                      96 bits of serialized TID with 48-bit serial number
    NXP UCODE 9XM    128bit             752                               96-bit
    NXP UCODE 8    128-bit               -                         E280 6894                       96 bits of serialized TID with 48-bit serial number
    NXP UCODE 9     96-bit               -                         E280 6995                       96 bits of serialized TID with 48-bit serial number
    NXP UCODE DNA    224-bit         3K-bit                         E2C0 6892                       96 bits of serialized TID with 48-bit serial number
    NXP UCODE DNA City    224-bit         1K-bit                                  -                                                96 bits of serialized TID
    NXP UCODE DNA Track    448-bit        256-bit                                                96 bits of serialized TID
    NXP UCODE I2C    160-bit       3328-bit                     96 bits of serialized TID with 48-bit serial number
    NXP UCODE G2iM     256-bit     320/640-bit                         E200 680A                      96 bits of serialized TID with 48-bit serial number

    Table 1: NXP Chip IC Type

    ALIEN TECHNOLOGY

    Name                          EPC Memory                User Memory                          TID Prefix                                    TID Memory
    Alien Higgs 9                             96/496-bit                 Up to 688-bit                                -            48 bits of serialized TID with 32-bit serial number
    Alien Higgs 4                               128-bit                    128-bit                       -            64 bits of serialized TID with 32-bit serial number

                                                                                    Table 2: Alien Chip IC Type

    IMPINJ

    Name                EPC Memory                User Memory                  TID Prefix                                 TID Memory
    Impinj Monza 4D                      128-bit                         32-bit                  E280 1100         96 bits of serialized TID with 48-bit serial number
    Impinj Monza 4i                      256-bit                       480-bit                  E280 1114         96 bits of serialized TID with 48-bit serial number
    Impinj Monza 4QT                     128-bit                       512-bit                  E280 1105         96 bits of serialized TID with 48-bit serial number
    Impinj Monza R6-B                      96-bit                             -                  E280 1171         96 bits of serialized TID with 48-bit serial number
    Impinj Monza R6                      96-bit                             -                  E280 1160         96 bits of serialized TID with 48-bit serial number
    Impinj Monza R6-A                      96-bit                             -                          -
    Impinj Monza R6P                   96/128-bit                    64/32-bit                  E280 1170         96 bits of serialized TID with 48-bit serial number
    Impinj Monza M730                    128-bit                             -                  E280 1191         96 bits of serialized TID with 48-bit serial number
    Impinj Monza M750                      96-bit                      32-bit                  E280 1190         96 bits of serialized TID with 48-bit serial number
    Impinj Monza M770                   128-bit                      32-bit
    Impinj Monza M775                   128-bit                      32-bit
    Impinj Monza M780                   496-bit                    128-bit
    Impinj Monza M781                   128-bit                    512-bit
    Impinj Monza 4E             Up to 496-bit                    128-bit                 E280 110C        96 bits of serialized TID with 48-bit serial number
    Impinj Monza X-2K Dura                  128-bit                  2176-bit                         -                        96 bits of serialized TID
    Impinj Monza X-8K Dura                 128-bit                  8192-bit                         -                        96 bits of serialized TID
    Impinj Monza M830                   128                          -
    Impinj Monza M850                    96                         32

    Table 3: IMPINJ Chip IC Type


    Find the UHF (RFID) Chip Type Using TagMatiks Wedge:

    One of the memory banks of a UHF (RAIN) RFID Chip is the TID memory bank. The TID memory bank is a factory encoded value that includes the manufacturer and chip model for that specific RFID Tag.

    TagMatiks Wedge includes a feature that enables users to scan one or more RFID tags and determine the manufacturer and chip type.

    Enable this feature, go to Application Configuration<Filters. Under Memory Banks, enable the TID option.

                        

                                             Fig: TID Filter                                                                                     Fig: TID Filter with Chip Manufacturer 

                        

                                              Fig: TID Filter with Chip Model                                                                   Fig: Tag Details with Chip Type 

    Apr 4th 2023 Rajeev Singh

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