50 PCS ID 125KHz RFID Writable Re-writable T5577 Key Fob Tag for RFID Writer Hotel Key Blue Color

50 PCS ID 125KHz RFID Writable Re-writable T5577 Key Fob Tag for RFID Writer Hotel Key Blue Color

• Writable & Rewritable: It can be erased and written 100,000 times. Suitable for making new and back-up tags, please use it with 125kHz RFID card writer/copier.
• You cannot add them to RFID locks directly,it can't be read before you program the chip,it's original blank chip.Please write data into them by a 125KHz RFID card writer before use. They are blank tags, no data inside.
• Can only be read and written by 125KHz RFID writer/copier,CAN NOT WORK WITH ONITY SYSTEM Proxmark3 RDV4 or other device.
• Chip: ATMEL T5577 (compatible with other universal 125kHz tags). NOT NFC CHIP,Can't work with NFC Phone.
• Frequency: 125kHz; Sensing Distance: 2.5 to 10 cm (1 to 4 inch); Data Storage Life: 10 Years.