Page 133 - Security Today, April 2018

detect even 300 markers (RFID UHF tags) within one second. Markers can be read from eight meters and the read precision is 99.7 percent. Finally, a marker can be correctly identified even through obstacles (through clothes or cardboards), without visual contact between RFID UHF reader and tag.
These features make RFID UHF the perfect tool for all identifica- tion, scanning and identifying processes. It has been proved by many RFID UHF implementations such areas as retail, logistics or aviation.
RFID UHF technology became popular due to its tags. Compared to other markers, especially beacons, they stand out with great variety of sizes and shapes. A battery is not required for RFID UHF tags to work continuously. It makes them ready to mark various objects in countless situations.
Such wide range of applications makes RFID perfectly suitable for evacuation systems. This technology gives coordinators full knowledge and increases the safety level of evacuated people.
RFID MAKES DIFFERENCE
Evacuation system based on RFID consists of readers, antennas, and RFID tags. These tags—in a form of light and convenient lanyard— contain information about every employee. The person's name and group to which they have been assigned by administration. Data writ- ten on lanyard is read by antennas and then transmitted to readers. From there, it goes to computers, tablets or smartphones used by man- agers and evacuation coordinators.
In this way, employees are being monitored in a real time. When danger occurs, coordinators immediately know who must be evacuated
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and staff know exactly what to do. Their only duty is simply go to assigned assembly point. When people exit, they are automatically and collectively identified due to lanyard-tags they carry with themselves. Simultaneously, when they leave, a coordinator is notified who is leav- ing building. The number of people does not matter: RFID UHF tech- nology perfectly handles the simultaneous identification of many employees. Because of the aforementioned precision (99.7 percent), the risk of omitting any man or incorrectly scanning tag is practically none.
The same mechanism works at assembly point. Installed antennas correctly recognize incoming employees (single and groups), sending information to the reader and then to the coordinator. By looking at the screen of a coordinator's computer or any mobile device he or she can easily see who is in a safe place. The coordinator can check who is still in a potentially endangered area and can also verify which employ- ees reached other assembly points.
STRAIGHT WAY TO SAFETY
It is impossible to overlook the technology advantages of RFID UHF, especially in terms of increasing evacuation safety. Thanks to its scal- ability and simple software integration with applications used in facto- ries, it can be used in every company, regardless of
its area or number of personnel. By using RFID UHF for evacuations, the risk of fatal accidents is significantly lower.
Karolina Kozlowska, PhD., is CEO of Smart Tech- nology Group and creator of SMART RFID brand.
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