T5577 RFID Card is a common 125 kHz LF RFID card, using ATMEL imported original ATA5577 (T5577 for short) chip. T5577 card is compatible with the Atmel T5557/ATA5567 and able to replace the Atmel e555
EM4305 RFID Card,otherwise known as EM4305 proximity card is a kind of common 125KHZ RFID card made of PVC or PET. It is often used as an access card.
125 kHz RFID Blank Card, otherwise known as LF RFID blank card, operates at 125 kHz, provides a short read range of 10 cm, and has slower read speed than the higher frequencies, but is not very sensit
ID Thick Card often operates on 125 kHz frequency and it is ideal and low cost solution for access control. It has a ID number in EEPROM but unchangeable after sealed.