Description:
This RFID tag is a white plastic square with adhesive backing. The tag continues to operate normally when attached to metals, unlike most standard RFID tags.

The tag contains a unique ID, and can be read with all compatible RFID readers: e.g. Phidget 1024 RFID reader and Parallax RFID reader (read only). Card uses EM4100 / EM 4200 protocol, 125 kHz and can be read at a distance of 11 cm or less.

Specifications:

• Protocol: EM4102, Passive, Read-Only
• Transmission Frequency: 125 kHz
• Encoding Method: Manchester, 64 bit
• Unique ID Length: 40 bit
• Typical Read Distance (with 1024 - PhidgetRFID): 50 mm
• Material: ABS
• Length - Width: 50 mm - 50 mm
  
• Thickness: 4 mm
• Weight: 20.4 g

Resources:
More RFID information to be found in the User Guide