Regulations For Uhf Frequency Bands In The Usa - Siemens Simatic RF600 System Manual

RF600 system planning
4.6 Regulations applicable to frequency bands
Validity
Note that readers are operated with this setting since November 4, 2008 (publication of the
standard in the Official Journal of the European Union).
4.6.3

Regulations for UHF frequency bands in the USA

Regulations for UHF bands
FCC (Federal Communications Commission)
● UHF band: 902 to 928 MHz
● Radiated power: max. 4 W (EIRP)
● Channel spacing: 500 kHz
● Number of channels: 50
● Frequency hopping
Frequency hopping
This technique is intended to prevent mutual interference between readers. The reader
changes its transmission channel in a random or programmed sequence (FHSS). 50
available channels mean that the probability is low that two readers will be operating on the
same frequency.
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System Manual, xx/2014, J31069-D0171-U001-A15-7618
SIMATIC RF600