features:<br />main chip: fudan f08 compatible s50<br />small， durable， do not fade<br />waterproof， shockproof， anti-corrosion<br />can be hung on channeling keychain for easy carrying<br />storage capacity: 8kbit， 16 partitions， each partition with 2 grounp passwords;<br />size: approx. 40.5≠32≠4.2mm<br />operating frequency: 13.56 mhz;<br />communication speed: 106k boud;<br />read and write distance: 2.5 ~ 10cm;<br />read and write time: 1 ~ 2ms;<br />operating temperature: -20 → ~ 85 →;<br />endurance:&amp;gt; 100，000 times;<br />color: random<br /><br />typical applications:<br />enterprise / campus card， bus stored value card， express way fees， parking， district management，attendance systems， patrol system， enterprise systems， access control systems， radio frequency identification field and so on.<br /><br />note: this product can be used on phone with nfc， working frequency is 13.56mhz.<br /><br />package list:<br />100% <br />5 x rfid ic key tags keyfobs token nfc tag keychain 13.56mhz arduino