Why PN532 has short range for desfire ev1 card?When i tap mifare card it can read it from 3cm distance but for desfire i have to tap very close sometime i need to push to antenna.
Hi Vicente
Thanks for your reply.
I bought PN532 board with antenna, how can i calibrate my antenna in this case?
I am a beginner Please help.
Hi Can you tell me the board part number?
Thanks
This is the board pic attached.
How can i get the part number?
Regards
Anurag
Hi
Probably you have some problem with the antenna calibration.
You can check the application note AN1445
http://www.nxp.com/documents/application_note/AN1445_An1444.zip
Vicente
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