125Khz Door Keeper keys, EM4100 Standard protocol, only read, cannot write. Available in random colors. Use it together with 125Khz EM4100 RFID Card Read Module RDM630 UART Output Arduino shield.

• Technology Type: Key Fob Proximity Smart Card
• Standard: ISO11785
• Frenquency: 125KHZ
• Chips: EM4100
• Power: Passive Card
• Function: Identification, Payment, Encrypt/DEcrypt
• Contours: ISO Card
• Chip Type: Contactless ID Card
• Application Field: Access Control, Time Attendance

Device	Tag
Type	Proximity | Smart