This EM-4100 family product is designed to work with our RFID Card Reader (#28140) and RFID Reader USB (#28340) and are considered passive tags. Each tag has a unique 10 digit ID, so multiple tags can be used in a single project and may be purchased from Parallax in any quantity.

Features:

• EM4100 Family Passive Tags
• 125 kHz activating frequency
• Readable from 2 to 5 inches of RFID reader
• Thin Package

Compatible with These Kits:

• RFID Card Reader (Serial)
• RFID Card Reader (USB)

Downloads & Resources:
RFID Reader Software on Forums
RFID Reader Documentation (.pdf)
BASIC Stamp 2 Source Code (.BS2)
BASIC Stamp 1 Source Code (.BS1)
SX/B RFID Card Reader Code (.SXB)
RFID Door Lock Video (.mpg)