The Race to Make Passive RFID Real-Time

by Henrique Rocha | 2Q 2019 | IN-5476
Passive Radio-Frequency Identification (RFID) has, until recently, been considered to lie outside the realm of Real-Time Location Systems (RTLS), mainly because it does not satisfy the requirements of the first two letters of the acronym: being real-time. However, companies like Zebra Technologies and RF Controls have recently developed and are now rolling out devices that can track RAIN (passive and ultra-high frequency) RFID tags in real-time and with a sufficient reading range for RTLS. The value of this development for RTLS lies in the fact that passive RFID tags are vastly cheaper than any competing RTLS location technology tags, like Bluetooth, Ultra-Wideband (UWB), or Wi-Fi. Therefore, the breakthrough of developing real-time passive RFID tracking is likely to deeply disrupt the RTLS ecosystem and give other location technologies a good run for their money.

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