98 Meru Access Point Installation Guide © 2010 Meru Networks, Inc.
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Antenna Gain Recommendations
The OAP180 auto-adjusts the power level sent from the radio to the antenna, so that
the EIRP emitted from the antenna is the value defined by the controller (100mW by
default). You can increase this setting if you are compensating for signal loss from
long inexpensive cables connecting external antennas. (Configure a false/low dBi
antenna gain to trick the radio into supplying more transmit power to that antenna,
which would then make up for the cable loss.) You may also need to decrease the
EIRP from 100mW to 30mW for a device that only transmits at 30mW. The Antenna
Gain values can be changed from the Web UI Configuration>APs>Antenna Properties
view, or from the CLI using the antenna-property command. Determine the appro-
priate gain for your antenna by checking the following chart.
Antenna Gain
MN-ACC-ANT-BG08O-NM 802.11 b/g 8 dBi Omni-
Directional Antenna, 2400 - 2500GHz (N Male)
8
MN-ACC-ANT-BG08O-NF 802.11 b/g 8 dBi Omni-
Directional Antenna, 2400 - 2500GHz (N Female)
8
MN-ACC-ANT-BG18P-NF 802.11 b/g 18 dBi High Gain
Panel Directional Antenna, 2400 - 2500GHz (N Female)
18
MN-ACC-ANT-BG10S-NF 802.11 b/g 10 dBi High Gain
Sector Antenna, 2400 - 2500GHz (N Female)
10
MN-ACC-ANT-A08O-NM-1 802.11a 8 dBi Omni-
Directional Antenna, 5150 - 5350GHz (N Male)
8
MN-ACC-ANT-A08O-NM-2 802.11a 8 dBi Omni-
Directional Antenna, 5470 - 5875GHz (N Male)
8
MN-ACC-ANT-A08O-NF 802.11a 8 dBi Omni-Directional
Antenna, 4900 - 5350GHz (N Female)
8
MN-ACC-ANT-A23P-NF 802.11a 23 dBi High Gain
Directional Panel, 5150 - 5875GHz (N Female)
23
MN-ACC-ANT-A13S-NF 802.11a 13 dBi High Gain 120-
degree Sector Antenna, 4900-5150/5150-5875GHz (N
Female)
12.5/13.5
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