Crestron CEN-HPRFGW High Powered RF Gateway
Appendix A: The RF Spectrum
Crestron’s RF network provides 16 RF channels in the 2.4GHz ISM
band, specifically IEEE 802.15.4 channels 11 through 26. The 16
channels define the frequencies at which the RF device will
communicate.
RF devices on different channels will not communicate or interfere with
each other. However, since some of the channels are in the 2.4GHz ISM
band (as shown in the following diagram), interference can occur with
other devices using this band, such as 802.11b/g Wi-Fi devices, Crestron
infiNET™ devices or Zigbee devices, although the differing protocols
will not allow a link to be established or data to be transferred. Wireless
2.4GHz telephones and microwave ovens may also cause interference
with the network.
IEEE 802.15.4 channel selection (2400 MHz PHY)
Channel 11
(802.11b/g)
Channel 6
(802.11b/g)
Channel 1
(802.11b/g)
Channel
11
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
22 MHz
2 MHz
2483.5 MHz
2480
2462 MHz
2465 2470 247524602445 2450 24552440
2437 MHz
2435243024252420241524102405
2412 MHz2400 MHz
Wi-Fi (802.11b/g)
RF (802.15.4)
Operations & Installation Guide – DOC. 6587B High Powered Gateway: CEN-HPRFGW • 31
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