1. Solution:

    Flexible anti-metal label (printable) can be bent, used for metal surface, has the advantages of good metal resistance, excellent performance, good directionality, long reading distance, etc., can support fast reading and writing, non-visual identification, moveable identification , Multi-targets identification, positioning and long-term tracking management.

    The flexible anti-metal label is a RFID label packaged with a special anti-magnetic wave absorbing material, which not only technically solves the problem that ordinary RFID labels cannot be attached to metal surfaces, but also can be attached to curved surfaces like ordinary labels, which is responsible for collecting data in harsh environments such as metals.

    rfid anti-metal label

    If the tag needs to have a long reading distance and a good reading effect, the requirements for the antenna will be very high, and the size of the tag needs to be made larger. The demand for anti-metal labels is gradually increasing. Such products are suitable for the comprehensive management, identification and traceability of small and micro metal devices, such as medical devices and metal tools, and have huge market prospects.

    RFID flexible anti-metal tags have many applications:

    1. It can be used for asset management, management of metal assets, such as iron cabinets, electronic products, etc.
    2. It can be used for IT asset tracking and pasted on the exposed part of IT server or equipment.
    3. It can be used for follow-up inspection of recyclable transport items, such as pallets, containers, etc. 4, can be used for warehouse management.
    4. It is suitable for the management of curved metal materials such as pressure vessels and cylinders.

    RFID is an abbreviation for Radio Frequency Identification. It is a technology in which the data encoded in a smart tag or tag is captured by a reader through radio waves. In addition, RFID tag data has gained the ability to be read out of sight.

    Companies need to consider many factors when choosing RFID tags. If often overlooked, the frequency of the label. There are low frequency tags, high frequency tags and ultra high frequency tags, also known as LF, HF and UHF. Radio waves have different behavior patterns in each of these frequencies, and using each frequency has its advantages and disadvantages.

  2. Solution:

    With the continuous development of the Internet of Things(IOT), the application becomes more and more extensive, so that the ensuing demand for actual scenes also continues to promote the further development of the IOT technology. Because the radio frequency signal of RFID technology has interference to human body, metal and liquid. Liquid cannot penetrate the radio frequency signal, so the application of RFID radio frequency will be interfered by the liquid and cannot be applied in its field. Only by overcoming these technical difficulties can the IOT be implemented on a large scale.

    If you are tracking individual items or liquid containers but didn’t find a suitable RFID label, you could try using a special tag designed to work around liquids. CIRFID sells a tag designed for tracking water, wines and spirits etc. The liquid label can be directly pasted on the surface of the liquid non-metallic packaging bottle. Know more about it.

    Ci-T5055 UHF RFID Flag Tag/label is complaint with EPC C1G2 (ISO18000-6C) standard, operating frequency is 860~960MHz (It can be used worldwide). By hanging and pasting, tag can realize the anti-metal and anti-liquid purpose. It can be used for tracking management of bottle drinks, beverages, cosmetics, perfumes, blood bags, IT assets, metal objects, etc.

    The successful research and development of liquid labels will bring more application value while meeting the existing unmanned retail needs. It means that RFID can be used to collect a large amount of consumer data on various beverages, liquid cosmetics, alcohol and other commodities. Especially in the field of cosmetics, the category of liquids accounts for a relatively large proportion of its products, and consumer preferences will have a great impact on its sales. Using RFID, in conjunction with a reader, can record real consumer behavior data such as sample trial times and duration, and analyze the actual sales situation, which can provide data support for the formulation of sales strategies.

  3. Solution:

    RFID is an abbreviation for Radio Frequency Identification. It is a technology in which the data encoded in a smart tag or tag is captured by a reader through radio waves. In addition, RFID tag data has gained the ability to be read out of sight.

    Companies need to consider many factors when choosing RFID tags. If often overlooked, the frequency of the label. There are low frequency tags, high frequency tags and ultra high frequency tags, also known as LF, HF and UHF. Radio waves have different behavior patterns in each of these frequencies, and using each frequency has its advantages and disadvantages.

    Low Frequency(LF)

    The low frequency band can cover frequencies from 30 KHz (kilohertz) to 300 KHz. Generally, low-frequency RFID systems operate at around 125 KHz. The reading speed of the low frequency band is slower than that of the high frequency band, but it has greater omnidirectional transmission or reception capabilities. This band provides a short reading range of only 10 cm, but is not very sensitive to radio wave interference. LF can be used in humid environments, and LF RFID transmission can also access tags behind thin metal materials. Finally, low-frequency RFID applications can be used for access control and livestock tracking, which is a great benefit.

    lf rfid management

    High Frequency(HF)

    The high frequency band can cover frequencies from 3 MHz (megahertz) to 30 MHz. Therefore, the operating frequency of the high-frequency RFID system is approximately 13.56 MHz. High-frequency systems tend to be moderately sensitive to radio wave interference. The HF band can also work in humid conditions. High-frequency RFID can be used for data transmission applications, ticketing and payment. There are multiple HF standards, including ISO 15693 standards for tracking items, ISO/IEC 14443 A and ISO/IEC 14443 standards for MIFARE technology for proximity cards and smart cards. There are other standards that can be used for near field communication, electronic money cards, etc.

    hf rfid management

    Ultra High Frequency(UHF)

    The reading range of UHF is up to 12 meters, which is 40 feet. The most used operating frequency of the UHF system is approximately 860Mhz to 960 MHz. The data transmission rate of UHF RFID is much faster than LF or HF. Among the three frequencies, UHF is the most sensitive to interference. Manufacturers of UHF design readers, tags, and antennas can maintain relatively high performance even in the most challenging environments. In addition, UHF tags are cheaper and easier to manufacture than LF/HF tags. Most importantly, UHF is the fastest growing part of RFID technology. The application of UHF technology has expanded to many markets, including:

    • Asset management
    • Warehouse&inventory management
    • Auto parking lot management
    • Retail management
    • Library management
    • Laundry management
    uhf rfid management

    The Current Trend of RFID

    Finally, UHF creates the greatest value because it is the fastest growing segment of the RFID market, and most new projects use UHF. UHF systems produce a long read range (82 feet/25m), while other frequencies have much shorter ranges. Other advantages of UHF RFID include:

    • Fast data transmission
    • Improve inventory visibility
    • Automated workflow
    • Prevent the use of recalled/expired products
    • Reduce shrinkage and prevent stock outs
    • Improve overall business operations
  4. Solution:

    In the face of fierce competition in the industry, manufacturers have made every effort to design and produce a large number of PDA products with different models and performances. From the demand side, it is a different situation. Faced with a dazzling array of brands and product models, the choice of a handheld PDA is not an easy task.

    For users, they need to make choices based on their actual needs. Take the most common warehouse inventory as an example. If it is a large warehouse, the shelf design is generally higher and the distance from the worker is far, then you should focus on scanning models with a large depth of field and a long reading distance. However, for most small and medium-sized warehouses, they generally prefer to choose a PDA with complete functions and easy operation. There are obvious differences between the two.

    In some industries or application fields, due to the special operating conditions, the focus on the functions and performance requirements of PDA products will also be significantly different.

    At present, the application of handheld PDA in power inspection is very common. Under normal circumstances, operators need to climb high towers for inspections, because the operation time is relatively long, which requires the handheld PDA to have good endurance. Generally, the identifiers of power devices are installed in higher places, and the reading and writing distance is relatively long. Therefore, it is necessary to choose UHF RFID handheld terminals suitable for over-distance operations. In addition, because the PDA is operated outdoors, it needs to have stronger waterproof and dustproof capabilities in the face of complex and changeable weather and environmental influences.

    Currently, PDA products on the market are generally equipped with Android, Windows Mobile, Win CE and other systems, of which the most are Android systems.

    However, there are also some handheld terminals without operating systems, embedded systems based on C language and Linux that require secondary development. This type of handheld terminal consumes low resources, has a large space for secondary development, and can better adapt to needs, but it only needs to pay secondary development costs.

    The small hand-held PDA seems to be some distance from us, but it is actually closely related to our lives. Because of the PDA, the courier can upload the express information in real time, so that we can track our own express information through the mobile phone; because of the PDA, we can pass through some of the daily passages and ticket inspections efficiently, saving a lot of time; Because of the PDA, during the epidemic, medical staff can carry out data collection work in many scenarios without contact and high efficiency, which greatly improves the efficiency of fighting the epidemic and saving people.

  5. Solution:

    In the actual application of RFID, it is often required to read a large number of tags at the same time, such as the inventory of the quantity of goods in the warehouse, the inventory of the number of books in the library scene, including dozens or even hundreds of them on the conveyor belt or pallet. Reading of cargo labels. In the case of most goods being read, the probability of being successfully read is called the reading rate.

    In the hope that the reading distance is longer and the scanning range of the radio wave is wider, UHF RFID is generally used. Therefore, in the field of logistics and supply chain, UHF RFID technology is chosen worldwide.

    1. What are the factors that affect the UHF RFID read rate?

    In addition to the reading distance and scanning direction mentioned above, the reading rate is also affected by many other factors. For example, the movement speed of the goods at the entrance and exit, the communication speed between the label and the reader, the material of the pasted goods and outer packaging, the way the goods are placed, the temperature and humidity of the environment, the height of the ceiling, and the RFID reader and the interference between the devices and so on.

    I believe that after reading the above description, you must realize that in the actual application of RFID, it is actually very easy to be affected by the external environment, and these different environmental factors are intertwined with each other, which together constitute the key difficulty to be overcome in the implementation of RFID projects.

    2. How to improve the multi-tags reading rate?

    In multi-tag reading, the RFID reader first makes an inquiry, and the RFID tags answer the reader’s inquiry one after another. If multiple tags respond at the same time during the reading process, the reader will query again, and the queried tag will be marked to make it “sleep” to prevent it from being read again. In this way, the high-speed data exchange processing between the reader and the tag is called congestion control and anti-collision.

    If you want to increase the reading rate of multiple tags, you can expand the reading range and prolong the reading time, and you can also increase the number of information exchanges between the tag and the reader. In addition, the high-speed communication method between the reader and the tag can also increase the reading rate.

    However, in reality, the situation is too complicated. For example, sometimes the goods contain metal products, which may cause the tags to be unreadable at some angles. Therefore, the direction of the RFID antenna and the placement of the goods are very important factors, and a reasonable design is required to make the RFID reader read the RFID tag at all angles as much as possible.

  6. Solution:

    The difference between passive RFID and active RFID mainly relys on the RFID Tag.

    Passive RFID tags work without battery inside, tag can get energy only when receive signal from the RFID Reader, in this case the reading distance of passive RFID is usually not very long range, as well as tending to be directional reading. According the frequency band, passive RFID products mainly refer to LF, HF and UHF. All of they have international protocol standard.

    Active RFID tags have battery inside, tag send signal itself even there is no reader, thanks to the battery active RFID reading distance can reach more than 100meters and can be omni-directional reading. According to the frequency band, active RFID mainly includes 2.4Ghz, 433Mhz, 5.8Ghz etc, which are usually based on private protocol.

  7. Solution:

    Everything can be Internet of Things(IoT), IoT is a network of devices that allows data about each of devices can be accessed, collected and exchanged, meanwhile real-time visibility and control of any item that is connected to the Internet.

    Basically IoT contains 3 parts: sensor, transmission and communication. As a sensing part of IoT, RFID allow things to be identified by computer system and make thing become “aware”, it is one of the key technology IoT depends on.

    By applying RFID tag on items like components in factory, pallets in warehouse, cloths in shop, tires/glasses on car etc, everything can be traced and managed to make the process more efficient.

  8. Solution:
    1. For reader connect via ethernet, first check whether the network cable is properly connected, and then check whether the device and the PC are in the same network segment (check reader default IP on name plate and assure computer same segment with reader. In the command window, use ping to check if the device is reachable).
    2. For reader connect via Com port, first confirm to usre the serial cable configured with the device and ensure the correct connection (factory default baud rate parameters of the device serial port RS232 and RS485 are 115200,n,8,1, no flow control) . When RS232 cannot be connected, please check the correspondence between RX, TX, GND of RS232 on the device side and TX, RX, GND on the PC side; when RS485 cannot be connected, please check the order of RS485+,RS485- on the device side).
    3. For reader connect via Wiegand, Wiegand is auto output, please assure reader is in auto work mode and Wiegand output first, then check if reader Wiegand cable D0, D1, GND are connected rightly to the Wiegand control board, assure the corresponding Wiegand format, default Wiegand 2.
    4. For reader connect via USB, reader usb is virtual rs232 port, first please assure right com port and baud rate, meanwhile check if USB driver is connected rightly.
  9. Solution:
    1. Some of the RFID readers’ IP searchable on demo software, please connect reader to computer software to check.
    2. For old version of reader please use other connection(RS232 or usb) to software to check reader IP.
    3. If still can’t connect please contact our technical team for support.
  10. Solution:
    1. The V20 face recognition system web application (B/S) is not installed on the D root directory, the installation directory should be D:\Windows\Face.
    2. Remember to run install.bat, if install failure, please remember run “unload.bat” first to remove application.
    3. There are too many things running in the background of the computer, and the memory is not enough.
    4. The computer environment variables are not well match, need add environment variable.

    Tom cat9 installed failure screen shot:

    cat9 install screen shot

    Add environment variable:

    Variable name: CATALINA_HOME

    Variable value: D:\Windows\Face64\apache-tomcat-9.0.2

    environment variable
    1. Port 8080 is occupied by other process, change to an available port.

    If install succeed but still not able to open website, check if port 8080 is occupied, change server to an available port, apache-tomcat-9.0.2/conf/ server/connect port=”8080” change 8080 to any other available port number.

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