2Pcs T5577 Rewritable Rfid Tag Ring Card RFID Keys Blank Key Tag RFID Key Fobs Duplicate Overwrite Recordable

Frequency: 125KHz; Chip: T5577 (compatible with other universal 125KHz tags).

Writable & Rewritable: It can be erased and written 100,000 times. Suitable for making new and back-up tags, with the 125KHz RFID card writer/copier.

You cannot add them to RFID locks directly. You must write data into them by a 125KHz RFID card writer before use.

They are blank tags, no data inside.

Can write by 125KHz RFID writer/copier, need to write by RFID writer.

Not NFC chip, can't work with NFC phone.

Specification:

New and high quality

Product name: 2 # ID key chain

Chip type: T5577 chip

Working frequency: 125KHZ

Product size: 35 * 27.5 * 4MM

Working temperature: - 40-55 ℃

Packaging material: ABS, PVC

Sensing distance: 2-10CM (depending on card reader)

Scope of application: access control/attendance/elevator/parking, etc

Product color: random

Package Included:2Pcs

Note:

Please refer to the measurement. Tiny measuring error is allowable in normal range.