Access Control Induction Card specification:

• Material: PVC, ABS, or PET (durable plastic materials)
• Size: Standard size (85.6mm x 54mm, similar to a credit card) or custom sizes
• Thickness: 0.8mm to 1mm (varies depending on the manufacturer)
• Weight: Approx. 5-10 grams
• Color: Typically white, but can be customized with logos, graphics, and colors
• Frequency: 125 kHz (Low Frequency, LF) or 13.56 MHz (High Frequency, HF)
• Chip Type: EM4100 (125 kHz, low frequency)
• Data Storage: Unique ID (UID) stored in the chip
• Communication Protocol: ISO/IEC 14443 (for high-frequency cards like MIFARE)
• Passive: No battery required. The card is powered by the electromagnetic field generated by the card reader.
• Typically: 5-10 cm (2-4 inches), but may vary based on the reader and environment.