It's not watts that matters. It's attenuation in any direction measured by decibels. So, an antenna focuses the power to receive and transmit in a single direction, such as a wave guide cantenna, etc can make you illegal. It's all a case of whether you are interfering with other's ability to use the frequency. Seeing as the band is congested for open use the limited 11 channels (US) are only allowed limited power. If you go to a convention for it's almost impossible to get it working whith all the legal access points opperating.
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It's not watts that matters. It's attenuation in any direction measured by decibels. So, an antenna focuses the power to receive and transmit in a single direction, such as a wave guide cantenna, etc can make you illegal. It's all a case of whether you are interfering with other's ability to use the frequency. Seeing as the band is congested for open use the limited 11 channels (US) are only allowed limited power. If you go to a convention for it's almost impossible to get it working whith all the legal access points opperating.