EM4x00
EM MicroelectronicEM Microelectronic's 125 kHz LF RFID family for access control, animal identification, and industrial proximity applications.
Tags in this Family
EM4200
125 kHz read-only LF RFID transponder with 64-bit unique ID, widely used in basic access control and proximity cards.
Memory
64-bit read-only UID
Frequency
Low Frequency (LF)
EM4100
Classic 125 kHz read-only transponder IC with 64-bit factory-programmed ID, the original standard for proximity access control.
Memory
64-bit factory-programmed UID
Frequency
Low Frequency (LF)
Frequently Asked Questions
EM Microelectronic's 125 kHz LF RFID family for access control, animal identification, and industrial proximity applications.
Browse EM4x00 RFID tag ICs with their memory, frequency, and protocol specifications on this page.