Product name
125KHz RFID rewritable ABS T5577 hotel keyfob with keyring
Size
41*33*4.3mm or customized
Chip
EM4305 TK4100 ,T5577, NFC213/215/216 Fudan 1k,S50,S70
Craft
silk screen/ laser numbering, QR code...
Application
Access control/events/ticket...