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Operating range： 30-100mm（reading range depend on antenna and card/tag）
interface： TTL electrical level
Working temperature： -10 degree to 70 degree
Storage temperature： -20 degree to 80 degree
Board Size： 39.00*19.00*9.00 mm（DIP28）
Antenna Size：54.20*72.70 mm, Wire:80mm
Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to ourforum.
I understand that this module can not detect two cards in the field at a time. Will the module simply ignore both tags or will it read one?
Can this tag be locked out after reading to allow the second tag to be read?
I am using the module to read tags i bought(via an arduino), this is working fine. But now i want to just see a tag once, while it is in range of the reader. The documentation said i had to use MIFARE_GET_SERIAL_NUMBER command with data 0x26 and 0x01 but, this is not working can anyone help me?
Hi Dick, I am thinking about ordering this module and anti-collision is a must have for me. Did you manage to get it working?