RFID stickers 13.56 MHz with chip F08 are suitable for door opening, labelling objects, and for application in environments where the use of the cards themselves is not possible, it can be glued to the existing card with another frequency of operation, etc. 
 

Manufacturer:	Fudan
Function:	Read/Write
Memory:	1 KB
RF protocol:	ISO 14443A
Frequency:	13.56 MHz
Reading Distance:	up to 5 cm
Dimension:	round, Ø 25 mm
Thickness:	0,3 mm
NFC Phones  Compatibility:	No
On-metal  application:	No