BioMedical Engineering OnLine

Table 1 The RFID Test library

From: Feasibility results of an electromagnetic compatibility test protocol to evaluate medical devices to radio frequency identification exposure

Frequency	Occupied bandwidth	Standard	Program settings	Maximum field strength
125 kHz (LF)	Max	ISO 14223 Type A	Modulation Depth 100%	65 A/m
			ETU: 3 usec
	Min	ISO 14223 Type A	Modulation Depth 90%	65 A/m
			ETU: 12 u sec
13.56 MHz (HF)	Max	ISO 14443 Type A	Pulse Width: 3 usec	12 A/m
			Transition Edge: 1 nsec
	Min	ISO 14443 Type A	Pulse Width: 2 usec	12 A/m
			Transition Edge: 2.98 usec
	Max	ISO 14443 Type B	Modulation Depth: 25%	12 A/m
			Transition Edge: 0.001 usec
			SOF Low: 11 etu
			SOF High: 2.5 etu
			EOF Low: 10.5 etu
	Min	ISO 14443 Type B	Modulation Depth: 15%	12 A/m
			Transition Edge: 1.17 usec
			SOF Low: 10 etu
			SOF High: 2 etu
			EOF Low: 10 etu
	Max	ISO 15693	Modulation Depth: 100%	12 A/m
			Pulse Width: 9.44 usec
			Transition Edge: 1 nsec
	Min	ISO 15693	Modulation Depth: 10%	12 A/m
			Pulse Width: 7.5 usec
			Transition Edge: 800 nsec
915 MHz (UHF)	Max	ISO 18000-6C	Modulation: DSB-ASK	54 V/m
			Tari: 6.25 us
			Pulse Width: 3.281 usec
			Modulation Depth: 100%
	Max	ISO 18000-6C	Modulation: DSB-ASK	54 V/m
			Tari: 25 us
			Pulse Width: 0.265 Tari
			Modulation Depth: 80%
	Min	ISO 18000-6C	Modulation: PR-ASK	54 V/m
			Tari: 6.25 usec
			Pulse Width: 1.656 usec
	Min	ISO 18000-6C	Modulation: PR-ASK	54 V/m
			Tari: 25 usec
			Pulse Width: 0.525 Tari
2.45 GHz	Max	ISO 18000–4 Mode 1	Modulation Depth: 100%	54 V/m
			Transition Edge: 1 nsec
			Tari: 25 usec
	Min	ISO 18000–4 Mode 2	Modulation Depth: 90%	54 V/m
			Transition Edge: 400 nsec
			Tari: 33 usec

The RFID Test Library is a collection of test signals and field strengths that are representative for most commercially available RFID readers (RMS).

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ISSN: 1475-925X

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