RFID technology allows, through chips, to remotely identify the object in which it is placed by means of a radio signal.
How does an RFID system work?
For the technology to work properly, it has to be made up of several elements, which are; An antenna, a reader (Transceiver) and a label (RF-tag) all with the characteristics of RFID technology. Depending on the size of the place or the range you want to have, you may need to install reading arches or RFID portals.
Where can RFID Technology be useful?
The range of possibilities that RFID technology can have is immense, but its main use is in places where continuous data records have to be made, or where they are not carried out due to human impossibility or cost. However, the implementation of this technology can be used in various fields, such as:
- Inventory control.
- Movement of goods.
- Control of industrial processes.
- Process automation.
- Asset tracking.
- Access control and vehicles.
- Optimization in hospitals.
- Logistics and storage.
Solutions to improve productivity
Large companies such as Zebra Technologies have a broad portfolio of RFID solutions, and these solutions are tops in the market for traceability and identification.
These types of cards use radio waves to read, transmit and capture information stored in the chip that is embedded in them. Its function is mainly to prevent unauthorized persons from accessing the facilities of a company or to speed up the entry and exit of workers and customers, save costs in the requirement of extra personnel to perform this function.
RFID readers transmit and receive signals, converting the radio waves from the tags into a readable and interpretable format through the smart device. The first function of the reader is the creation of an analog signal with an exact frequency and power. The RFID reader periodically sends signals to see if there is any tag in its vicinity and thus extract the information.
As for RFID tags, today it is easy to find them in many aspects of our lives, from the clothes we wear and the food we eat to our cars, medicines and travel. RFID tags have a built-in chip to which the information considered necessary in each case is added. These RFID tags are printed and engraved with printers specifically designed for it.
The RFID antennas play an important part in this entire operation and together with the RFID tag and the RFID reader, which is the one that transmits the power and captures the return signal of the tag with its code and that allows the information of the RFID chips to be interpreted.
In other words, when an RFID chip crosses the field of the antenna, it is activated and emits a signal. The antennas create different wave fields and cover different distances depending on the objective that is required to be achieved.
Although RFID Technology is not something new, year after year companies and manufacturers continue betting on its development, due to the efficiency achieved and the reduction of costs, times and processes.
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