RF600 system planning
4.5 Regulations applicable to frequency bands
RF600
4-18
System Manual, 09/2005 Edition, J31069 D0171-U001-A0-7618,
4.5.2
Regulations for UHF frequency bands in the USA
USA
FCC (Federal Communications Commission)
•
UHF band: 902 to 928 MHz
•
Radiant power: max. 4 W (EIRP)
•
Number of channels: 50
•
Frequency hopping
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Frequency hopping
This technique should prevent mutual interference between readers. The reader changes its
transmission channel in a random or programmed sequence (FHSS - Frequency Hopping
Spread Spectrum). The 50 available channels mean that the probability is low that two
readers will be operating on the same frequency