20
The relative pitch angle (the α) with barcode and terminal is less than 45 degrees (0 is the best)
The relative skew angle (the γ) with barcode and terminal is less than 45 degrees (5~20 is the best)
The relative roll angle (the β) with barcode and terminal can be any angles (0~360 degrees)
How to read RFID Card
Reading method may be slightly different due to different RFID. When reading should adjust distance between terminal
and RFID, then operate the terminal to read RFID.
