Active RFIDs Vs Passive RFIDs






It was probably the irritable nature of aligning readers with barcodes repeatedly, only to fail the line of sight -that made way for the rise of RFIDs. RFID tagging system functions on electromagnetic signals that make it far superior to all of its competing devices. The RFID asset tracking system in India is particularly popular because of its ability to transmit across many dense metals and liquids. This is a rare trait among many signals. Additionally RFID tracks can be identified by its reader from quite a distance, which is a huge upside for industries with high security concerns. With these benefits and many more, RFID tags are a worthy inclusion to many industries.



Active RFID tags suppliers fit the active labels with their own batteries. These ever-charged batteries result in the active nature of the tags. These tags are further divided into beacons and transponders. The beacons, as their name suggests, are like active beacons continue to transmit signals every few seconds. The transponders on the other, communicate only when probed by a compatible reader. The active tags generally transmit on only two frequencies, 433MHz and 915MHz.

Passive RFIDs do not have their own batteries. Hence, for passive RFID tags, passive RFID readers in India are a must. These RFID readers, when sending the signal of enquiry, also provides the label with power that proves just enough for a one-time response. Otherwise, passive readers are classified according to their transmission frequency ranges. That can be anywhere between 125 KHz to 960MHz -low frequency to ultra-high frequency.

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