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

RF600 system planning
4.6 Regulations applicable to frequency bands
4.6.2

Regulations for UHF frequency bands in the USA

FCC (Federal Communications Commission)
● UHF band: 902 to 928 MHz
● Radiant power: max. 4 W (EIRP)
● Number of channels: 50
● Frequency hopping
Frequency hopping
This technique should prevent mutual interference between readers. The reader changes its
transmission channel in a random or programmed sequence (FHSS). The 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, 10/2009, J31069-D0171-U001-A8-7618
SIMATIC RF600