There are a number of NFC Specification codes that you might use frequently. They’re all available in the NFC Specification on the NFC Forum site, but some of them are reproduced here for handy reference.
The NFC Forum Specification list provides handy summary definitions of all the NFC specifications. When you find yourself struggling to remember what acronyms such as LLCP, SNEP, TNF, and RTD mean, go to this page for the quick reference.
Type Name Format | Value |
Empty | 0x00 |
Well-Known type [NFC RTD] | 0x01 |
MIME media-type [RFC 2046] | 0x02 |
Absolute URI [RFC 3986] | 0x03 |
External type [NFC RTD] | 0x04 |
Unknown | 0x05 |
Unchanged | 0x06 |
Reserved | 0x07 |
Record Type | RTD code |
Text | T |
URI | U |
Smart Poster | Sp |
Alternative Carrier | ac |
Handover Carrier | Hc |
Handover Request | Hr |
Handover Select | Hs |
Decimal | Hex | Protocol |
0 | 0x00 | None. The URI is added exactly as written. |
1 | 0x01 | http://www. |
2 | 0x02 | https://www. |
3 | 0x03 | http:// |
4 | 0x04 | https:// |
5 | 0x05 | tel: |
6 | 0x06 | mailto: |
7 | 0x07 | ftp://anonymous:anonymous@ |
8 | 0x08 | ftp://ftp. |
9 | 0x09 | ftps:/ |
10 | 0x0A | sftp:// |
11 | 0x0B | smb:// |
12 | 0x0C | nfs:// |
13 | 0x0D | ftp:// |
14 | 0x0E | dav:// |
15 | 0x0F | news: |
16 | 0x10 | telnet:// |
17 | 0x11 | imap: |
18 | 0x12 | rtsp:// |
19 | 0x13 | urn: |
20 | 0x14 | pop: |
21 | 0x15 | sip: |
22 | 0x16 | sips: |
23 | 0x17 | tftp: |
24 | 0x18 | btspp:// |
25 | 0x19 | btl2cap:// |
26 | 0x1A | btgoep:// |
27 | 0x1B | tcpobex:// |
28 | 0x1C | irdaobex:// |
29 | 0x1D | file:// |
30 | 0x1E | urn:epc:id: |
31 | 0x1F | urn:epc:tag: |
32 | 0x20 | urn:epc:pat: |
33 | 0x21 | urn:epc:raw: |
34 | 0x22 | urn:epc: |
35 | 0x23 | urn:nfc: |
36…255 | 0x24.,0xFF | Reserved for future use. (URI will be saved exactly as written). |