Type 1 is based on ISO 14443 A standard (available from Innovision Research &
Technology (Topaz™)). Memory availability is up to 1 kB which is just enough to store
a website URL or similar small amount of data. The memory size can be expanded up to
2 kB. The communication speed of this NFC tag is 106 kbps. As a result of its simplicity, this tag type is cost effective and can be used in many NFC applications.
An NFC Forum Type 1 Tag can be classified to exist in one of the following states: INITIALIZED, READ/WRITE, and READ-ONLY. READ/WRITE state means that tag contains a valid
NDEF message. It is available for read and re-write access. READ-ONLY state means that tag
contains a valid NDEF message and be available for read-only access. It cannot be deleted or
overwritten with a new NDEF message. Tag in INITIALIZED state when not in the
READ/WRITE or READ ONLY states.