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̈ Chapter 11: Wireless LAN – WLAN LANCOM Reference Manual LCOS 3.50
259
Wireless LAN – WLAN
connections, and even the air, and amplifying elements such as the external
antennae.
ቢ The calculation of the power over the path begins at the transmitters's
radio module. The radio module in the LANCOM access points in 802.11a
mode emits the following power levels depending on the channel used
and the data transmission rate:
To achieve a data transmission rate of 24 Mbps the radio module emits a
power of 17 dBm.
Free-space loss
Amplification with
antenna gain
Output power of the
radio module
Loss through
cable, plugs and
lightning
Amplification with
antenna gain
Input signal at the
radio module
Loss through
cable, plugs and
lightning
Mbps 5.150 - 5.250
GHz
5.250 -5.350
GHz
5.470 -5.725
GHz
5.725 -5.850
GHz
6 17171717
9 17171717
12 17 17 17 17
18 17 17 17 17
24 17 17 17 17
36 14 14 14 14
48 13 13 13 13
54 12 12 12 12
72 (Turbo)14141414
96 (Turbo)13131313
108 (Turbo) 12 12 12 12