20pcs 25mm 125Khz RFID Cards ID 3M Sticker Coin Cards TK4100 Chip Compatible EM4100

Brand Name: rainelei Frequency: 125KHz Contours: Alien Card Power: Passive Card Chip Type: Contactless ID Card Recognition Mode: Read Only Unit Type: lot (10 pieces/lot) Package Size: 10cm x 5c...