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

18. Barcodes, QR Codes, NFC, and RFID

Stephen Statler
San Diego, California, USA
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 of sight
We will ...

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