This EM-4100 family product is designed to work with our RFID Card Reader/Writer and are considered passive tags.

EM4100 Family Passive Tags
125 kHz activating frequency
Readable from 2 to 5 inches of RFID reader
Thin Package
Both side are full printable with offset, thermo-transfer and dye sublimation printing
The World tag is designed to resist common stress known from access control and time
Attendance systems

Compatible with These Kits:
RFID Card Reader (Serial)
RFID Card Reader (USB)
RFID Read/Write Module (Serial)

Similar Tags:
RFID 20mm Round Tag
RFID 50mm Round Tag