I have 2.4 GHz radios conforming to ETSI standards with low power output. I
want to increase the EIRP from 20 dB to 40 dB. What should I do?
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To increase Equivalent Isotopically Radiated Power (EIRP) in a point-to-multipoint WLAN, you
can either increase the power output of the radio or use existing power more effectively with a
higher-gain antenna. I assume that your radio power output is fixed or already at its maximum.
Therefore, your most likely solution is to add at 20 dBi (or better) directional antenna, boosting
EIRP from 20 dBm to 40 dBm across a smaller service area while keeping the radio's output power
constant.
This was first published in April 2004