Frequency: 125kHz; Sensing Distance: 2., 5 to 10 cm (1 to 4 inch); Data Storage Life: 10 Years., Writable & Rewritable. 125khz T5577 Key Fob Aazon.co: 50PCS ID 125KHz RFID Key Tag Writable Rewritable T5577 Key Rewritable Proximity Tags You need to write data into them to use. we will give you a satisfying answer. NOTE: You cannot add them to RFID locks directly. Suitable for making new and back-up tags. Note: They are blank RFID tags, no data inside. Casing Material: ABS Plastic., Waterproof & Durable., 1., Material:ABS 2., Frequency: 125KHz 3., chip: Original ATMEL T5577 (The best rewritable chip) 4., Package included: 10pcs black T5577 RFID keyfobs 5., Working Mode: Read-write modes - Can be used in 125KHz RFID card Copier/ Duplicator 6., Storage Capacity: 330 bit (264 free bit availability) 7., Reading distance is 0 - 10cm Package include: 50PCS* T5577 RFID rewritable 125khz writable Keyfobs Please note it need to write the ID on it before you read, it's original chip. It can be erased and written 100,000 times. Buy 50pcs/lot EM4305 T5577 125khz Copy Rewritable Writable Rewrite keyfobs RFID Tag Key Ring Card Proximity Token Badge Duplicate at for The T5577 is a rewritable Low Frequency (LF) tag which can be programmed to a large number of different formats. It can be used to emulate formats such as... FREQUENCY: 125kHz; Sensing Distance: 2., 5 to 10 cm (1 to 4 inch); Data Storage Life: 10 Years. RFID Writable-Rewritable Keychain tag 125Khz - T5577 Chip Chip: ATMEL T5577 (compatible with other universal 125kHz tags)., Approx Size: 1., 4*1., 1*0., 2 inch. MATERIAL: High-Quality copper coil inside.
