Parallax RFID Disk Tag 25mm

These EM-4100 family products are designed to work with our RFID Card Reader (#28140) and RFID Reader USB 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
• Discrete size
• Note: In accordance with U.S. Patent Nos. RE40,145; 5,817,207; 6,036,099; 6,214,155; 6,514,367; and 6,557,766.

Compatible With:

• RFID Card Reader (Serial)
• RFID Card Reader (USB)
• RFID Read/Write Module (Serial)