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You can also look at the KSN (key serial number). This 10 Byte hex number is always available in plain text with any encrypted data. If the KSN begins with 629949, then it is a key ID TECH created and very likely injected into your reader. You can let us know the KSN and we can share what can be learned from it. Also, we can look up the readers sales history using the serial number on the reader. Often we can track down the sales invoice that may include key injection service that specifies the key to be injected
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