Cisco AIR-CB21AG-W-K9 Configuration Guide - Page 162

Maximum Power Levels and Antenna Gains, IEEE 802.11a

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Maximum Power Levels and Antenna Gains Appendix E Channels, Power Levels, and Antenna Gains Maximum Power Levels and Antenna Gains IEEE 802.11a An improper combination of power level and antenna gain can result in equivalent isotropic radiated power (EIRP) above the amount allowed per regulatory domain. Table E-3 indicates the maximum EIRP supported for all regulatory domains for each 5 GHz IEEE 802.11a data rate. Table E-3 Data Rate 6 Mbps 9 Mbps 12 Mbps 18 Mbps 24 Mbps 36 Mbps 48 Mbps 54 Mbps Maximum EIRP for IEEE 802.11a Maximum EIRP for PC-Cardbus Card with 0-dBi Antenna Gain and PCI Card with 1-dBi Antenna Gain mW dBm 40 16 40 16 40 16 40 16 40 16 25.1 14 20 13 20 13 IEEE 802.11b An improper combination of power level and antenna gain can result in equivalent isotropic radiated power (EIRP) above the amount allowed per regulatory domain. Table E-4 indicates the maximum EIRP supported for all regulatory domains for each 2.4 GHz IEEE 802.11b data rate. Table E-4 Data Rate 1 Mbps 2 Mbps 5.5 Mbps 11 Mbps Maximum EIRP for IEEE 802.11b Maximum EIRP for PC-Cardbus Card with 0-dBi Antenna Gain and PCI Card with 1-dBi Antenna Gain mW dBm 100 20 100 20 100 20 100 20 Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide for Windows Vista E-4 OL-16534-01

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E-4
Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide for Windows Vista
OL-16534-01
Appendix E
Channels, Power Levels, and Antenna Gains
Maximum Power Levels and Antenna Gains
Maximum Power Levels and Antenna Gains
IEEE 802.11a
An improper combination of power level and antenna gain can result in equivalent isotropic radiated
power (EIRP) above the amount allowed per regulatory domain.
Table E-3
indicates the maximum EIRP
supported for all regulatory domains for each 5 GHz IEEE 802.11a data rate.
IEEE 802.11b
An improper combination of power level and antenna gain can result in equivalent isotropic radiated
power (EIRP) above the amount allowed per regulatory domain.
Table E-4
indicates the maximum EIRP
supported for all regulatory domains for each 2.4 GHz IEEE 802.11b data rate.
Table E-3
Maximum EIRP for IEEE 802.11a
Data Rate
Maximum EIRP for PC-Cardbus Card
with 0-dBi Antenna Gain and PCI Card
with 1-dBi Antenna Gain
mW
dBm
6 Mbps
40
16
9 Mbps
40
16
12 Mbps
40
16
18 Mbps
40
16
24 Mbps
40
16
36 Mbps
25.1
14
48 Mbps
20
13
54 Mbps
20
13
Table E-4
Maximum EIRP for IEEE 802.11b
Data Rate
Maximum EIRP for PC-Cardbus Card
with 0-dBi Antenna Gain and PCI Card
with 1-dBi Antenna Gain
mW
dBm
1 Mbps
100
20
2 Mbps
100
20
5.5 Mbps
100
20
11 Mbps
100
20