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Table 9: 5 GHz WLAN/Wi-Fi Channel Availability (802.11 an)
Channel Number Frequency MHz Europe ETSI North America
FCC
Japan
36 5180 Indoors Yes Yes
40 5200 Indoors Yes Yes
44 5220 Indoors Yes Yes
48 5240 Indoors Yes Yes
52 5260 Indoors/DFS/TPC DFS DFS/TPC
56 5280 Indoors/DFS/TPC DFS DFS/TPC
60 5300 Indoors/DFS/TPC DFS DFS/TPC
64 5320 Indoors/DFS/TPC DFS DFS/TPC
100 5500 Indoors/DFS/TPC DFS DFS/TPC
104 5520 Indoors/DFS/TPC DFS DFS/TPC
108 5540 Indoors/DFS/TPC DFS DFS/TPC
112 5560 Indoors/DFS/TPC DFS DFS/TPC
116 5580 Indoors/DFS/TPC DFS DFS/TPC
120 5600 Indoors/DFS/TPC No Access DFS/TPC
124 5620 Indoors/DFS/TPC No Access DFS/TPC
128 5640 Indoors/DFS/TPC No Access DFS/TPC
132 5660 Indoors/DFS/TPC DFS DFS/TPC
136 5680 Indoors/DFS/TPC DFS DFS/TPC
140 5700 Indoors/DFS/TPC DFS DFS/TPC
Table 10: 802.11b Nominal Power Values
Transmitter Power (EIRP) ERP + Antenna Gain (2.18 dBi) at worst case
levels
Channel Frequency
(MHz)
Average (dBm) Limit (dBm) Margin (dB)
2412 18.3 20.0 -2.3
2442 18.3 20.0 -2.4
2472 18.8 20.0 -1.9
Table 11: 802.11g Nominal Power Values
Transmitter Power (EIRP) ERP + Antenna Gain (2.18 dBi) at worst case
levels
Channel Frequency
(MHz)
Average (dBm) Limit (dBm) Margin (dB)
2412 17.7 20.0 -2.3
2442 17.6 20.0 -2.4