The best replacement for rfid is barcode.

The best alternatives to rfid are rated as following:

★★★★★	barcode
★★★	nfc
★★	gps
★	smart card
★	barcoding
★	bluetooth
★	hid
★	magnetic strip
★	barcodes
★	emv
★	zigbee
★	barcode cost
★	ibeacon
★	upc
★	ble
★	bluetooth low energy
★	barcode technology
	qr code
	barcode comparison
	passive rfid
	proximity
	bar coding
	bar codes
	radio frequency identification
	biometric
	2d barcode
	barcode system
	contactless smart card
	codigo de barras
	bar code
	chip and pin
	transponder
	epc

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Speaking about rfid, one probably shouldn't forget about nfc.

Other search terms related to rfid and their ratings are:

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Scale is based on the average worldwide traffic of rfid in all years. Click on graph for more.

rfid

barcode

nfc