125 Khz RFID ...

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hi nigel and everyone,

i am interfacing u2270b with my 8051 microcontroller.

u2270b is a reader IC of RFID that works at 125 Khz..

i wanted to ask , will this also transmit the em waves to the tag (card)..

because.. it is also receiving the data from the card..

regards,

bye...
 
Should probably read the PDF file for your own chip.. It says right on the first page that it provides power to to the RFID tag for read/write operations.
 
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