Tag, you're it

Discover the applications of RFID and how easy it is to integrate it into a security system.

We're all familiar with pass cards and fob tags that act as keys for digital door locks. But did you know that motorway tags and the microchips implanted in our pets also rely on RFID (radio frequency identification) protocols?

Catch some waves

The premise of RFID is that an antenna in the tag collects electromagnetic waves from the reader and induces a small current. This is enough to transmit its identification data back to the reader, offering several advantages.

Passive tags do not need an onboard power supply, and can be used indefinitely.
Since line-of-sight is not an issue (as it is with barcodes), tags can be embedded.
Rewritable RFID tags offer greater flexibility for purposes such as progress tracking or multiple access options, for example if a hotel room needs to be accessed by both guests and housekeeping.

Lock down your property

Harness the power of RFID to increase the security to your business, or even your home, by installing an access card reader wired to an electric strike.

Advanced control keypads can also be opened using PIN or smartphone app.
Include a non-contact door switch to make it easy for people to exit.
Enrol cards and fobs that can be read by the system and used to gain entry.

Hack your own tags

Some multifunction tags can be written to, and also support NFC (which is technically a branch of RFID in the first place). Explore the possibilities with a read/write module, compatible with both Arduino and Raspberry Pi.

Click here for our full range of RFID access-control products.


- September 2019

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