Blank White RFID Contactless CardBlank White RFID Contactless CardThe TK4100 proximity ID card is based on SMC4100 IC connected with a few laps, which are then embedded into plastic. No batteries required. This card is read-only, 40-bits unique number.TK4100 is compatible with EM4100. These cards are primarily used in access control applications and other identity authentication.RFID TK 4100 125 KHz Contactless card (With UID)
