Hi I am working on an project on RFID using ISO 15693, can you tell me where can I get the detailed information of communication using it. Also is memory architecture of the tag is involved in protocol or it depends on the manufacturer?
According to Wikipedia: ISO 15693 is an ISO standard for "Vicinity Cards", i.e. cards which can be read from a greater distance as compared to Proximity cards. ISO 15693 systems operate at the 13.56 MHz frequency, and offer maximum read distance of 1-1.5 metres(sp). As the vicinity cards have to operate at a greater distance, the necessary magnetic field is less (0.15 to 5 A/m) than that for a proximity card (1.5 to 7.5 A/m).
A google search gets 19,000+ hits. Can you let us know what you're not finding?
In the 6,610 google hits for "iso 15693 tag memory", I see memory sizes from 2Kbits to 80MBytes. So I'd guess the answer to your question is "yes".
G.
PS: One place to find ISO standards is
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