© Stephen Statler 2016
Stephen StatlerBeacon Technologies10.1007/978-1-4842-1889-1_18

18. Barcodes, QR Codes, NFC, and RFID

Stephen Statler1 
(1)
San Diego, California, USA
 
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Theresa Mary Gordon and Steve Statler
In this chapter we will review several proximity technologies that enable automated identification of physical objects and provide alternatives to Bluetooth beacons:
  • Barcode and QR (Quick Response) code technologies, which enable interactions with tags that are “in sight”
  • Radio Frequency Identification (RFID) and Near Field Communication (NFC), which enable interactions with radios that are generally “in reach” but may be out ...

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