Frequency Ranges and Radio Licensing Regulations - RFID: Fundamentals and Applications in Contactless Smart Cards and Identification - page 178

Electric field strength
(magnetic)

47 544 µ V/m (42 dB µ A/m)

E
U

U.
S.
A.

J
P
N

1061 µ V/m (9 dB µ A/m)

316 µ V/m ( − 1.5 dB µ A/m)

150 V/m ( 8 dB A/m)

µ − µ

± 7 kHz

Frequency

± 150 kHz

± 450 kHz

Figure 5.7 Comparison of the permitted magnetic field strengths of the planned regulations for
13.56MHz RFID systems in the USA, Japan and Europe (reproduced by permission of Takeshi
Iga 2 , SOFEL, Tokyo)

any of the planned regulations, so at this point it is not possible to deal with these
regulations in more detail. See Figure 5.7.

2 Takeshi Iga: Publisher and translator of the Japanese edition of the RFID handbook. See also http://RFID-
handbook.com/japanese