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Appendix 2 Important Points of QR Code
Scanning
●
Access Controller (with QR code scanning module): Place the QR code on your phone at a
distance of 5 cm - 20 cm away from the QR code scanning lens. It supports QR code that is 2
cm×2 cm - 5 cm×5 cm and less than 512 bytes in size.
●
Access Controller (without QR code scanning module): Place the printed QR code at a distance of
30 cm-50 cm away from the lens of the Access Controller. It supports QR code that is 2.2 cm×2.2
cm
～
5 cm×5 cm and less than 64 bytes in size.
QR code detection distance differs depending on the bytes and size of QR code.
Appendix Figure 2-1 QR code scanning
