EM4100 / EM4200: Simple read-only chip with 128 bit factory programmed UID used in access control, anti-counterfeiting and logistics.
EM4450 / EM4550: Read/Write chip with 1Kbit EEPROM and password protection used in ticketing, access control and prepayment devices.
ATA5577 / T5577: Read/write chip with 363bit EEPROM and write protection, used in access control, hotel keycards, logistics and gaming.
Hitag 1: Read/Write chip with 2Kbit EEPROM used in logistics, asset tracking, industrial ID and automation.
Hitag 2: Read/Write chip with protected 256bit EEPROM and multi-tag operability used in logistics, asset tracking, casino gaming and industrial automation.