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• 日期: 2018-09-05
• 浏览次数: 1238次

The reasons for not reading the card are:

1. Unconnected antenna

2. Antenna mismatch

3. Wrong antenna frequency band

4. Wrong power setting

5. Poor label

6. The label is not in scope

7. Wrong card reading mode

8. The buzzer is not on or the indicator light is not good

9. Equipment failure