User's Manual

Table Of Contents
80
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 3 cm - 5 cm away from the QR code scanning lens. It supports QR code that is larger
than 30 mm × 30 mm - 5 cm × 5 cm and less than 100 bytes in size.
QR code detection distance differs depending on the bytes and size of QR code.
Appendix Figure 2-1 QR code scanning