RFID coin tag, or token tag is something that we deal with everyday., say subway token tag. When we take subway, as long as put the tag on the sensor, the door will open. It indeed brings much convenience to us. However, the usage of tag is more than that.
access control, security, payment, ID identification, etc.
Dia20mm, 25mm, 30mm, 35mm, or customized
black, white or customized