drop-shaped design | chip type: 13.56 MHz MIFARE S50 | with key ring | only readable | green
drop-shaped design | chip type: 13.56 MHz MIFARE S50 | with key ring | only readable | grey
drop-shaped design | chip type: 13.56 MHz MIFARE S50 | with key ring | only readable | red
self-adhesive RFID sticker | 125 kHz EM4100 chip | 1.5 mm thick | only readable | not to be put on metal