Functions and wireless technology
7190_en_02
PHOENIX CONTACT
1-9
Frequency spectrum for IEEE 802.11 a/h
1.3.1
Channels in IEEE 802.11b/g
The wireless channels in standard IEEE 802.11b/g are in the 2.4 GHz ISM band. The
frequency range includes up to 14 approved channels, each with a bandwidth of 22 MHz.
The channels overlap, which means that adjacent channels cannot be used in a wireless
network without interference. The following diagram illustrates which channels do not
overlap. Please note the following approvals:
–
Channels 1 - 13 are approved in Europe.
–
Channels 1 - 11 are approved in USA/Canada.
Содержание FL WLAN 24 AP 802-11
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