Purpose: Can be used for various access control systems, etc Note: You cannot add them to RFID locks directly. You must write data into them by a 125kHz RFID card writer before use. Writable & Rewritable. We are always working hard for maintain high standards of excellence and resolve your problem in best way Chip: ATMEL T5577 (compatible with other universal 125kHz tags) T5577 Chip RFID 125kHz Programmable Key Fob Laser Number - RFID Key and RFID Keyfob Blank T5577 125khz Rewritable Rfid Tokens 10 Pack 10Pcs Mixed Color Em4305 T5577 RFID Smart 125KHz Black Key Keyfobs Copy Writable Duplicate Tag Proximity ID Token Ring Card - 30 T5577 Blank Tags 10 Pack It can be erased and written 100,000 times. The T5577 is a rewritable Low Frequency (LF) tag which can be programmed to a large number of different formats Frequency: 125kHz; Sensing Distance: 2., 5 to 10 cm (1 to 4 inch); Data Storage Life: 10 Years., Writable & Rewritable. You must write data into them by a 125kHz RFID card writer before use.
