13.56mhz rfid tag, nfc tag is easy to do programmable, like URL encoded, so that it can work with smartphone with NFC. When NFC tag get closed to NFC position on the smartphone, programed website link comes out immediately. It's mainly used for many applications like company promotion, smart poster, event ticketing, industrial using, etc.
ISO14443A printable paper programmable rfid nfc tag / sticker / label for phone

Physical information
Material: Paper, coated paper, thermal paper
Dimension: -Round, 50mm / 40mm / 30mm / 25mm in diameter
-Square, 50*50mm, 40*40mm, 29*29mm, other bigger or smaller size required , kindly contact us. 
Personalization: Custom logo, color printed for surface paper
-customized data information writable in the chip, like url (website) , serial numbers, etc.
Feature: Ok to share datas by nfc enabled phone, faster and more convenient than bluetooth
Application: New company promotion, smart poster, event ticketing, admission ticket management system,  industrial using for goods tracking, one-card in transmission

RFID Specification
Frequency: 13.56mhz, 860-960mhz
Protocol: ISO14443A, ISO15693, ISO18000-6C
UHF chip: Alien h3 / h4, u code gen 2 , Monza 4 / 5 / 6
HF chip: NFC 213 / 215 / 216,  fudan f08
Read Distance: 1-5m for UHF,1-10cm for HF