Radio frequency identification or RFID tags are now available from www.buyrfid.com. The rfid tags can be attached to or embedded in products, boxes, pallets, trays, and numerous other items. Prices start at around $.65 per item based on quantity. The rfid key ring tag is perfect for payment systems, and access applications. This key ring contains a chip, much like other payment technology, except with greater range. It allows your customers to pay by waving their key ring! Get entry to the building by just walking near the door.