Hello,
I believe there is a terminology confusion between the P2P, tag, reader, etc.
Could you please watch the following webinars which will help to clarify the concepts?
NFC Essentials Webinar|NXP
NFC Applications and Use Cases|NXP
I believe you will find also there which will be the best product to use, nonetheless, if you have any further question, let me know.
Regards,
Estephania