How to identify an unhealthy/weak RFID tags?

The label attached to the goods. With shipping is read by the antenna located at a distance of about 2-3 meters. Part labels are poorly readable or not readable at all. How can a batch to identify all such marks and what could be the problem. The antenna is calibrated.
March 12th 20 at 08:42
0 answer

Find more questions by tags RFID