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OWLnet Technical Information
802.11g is a revision of the 802.11b protocol. It uses the same frequencies, and many devices can operate on either 802.11g or 802.11b in mixed mode.
Frequencies and Power limitations
FCC Part 15.247 defines power limitations for wireless LANs.
When using omni-directional antennas (less than 6 dB), the FCC rules require EIRP to be 1 watt or less.
When using antennas having a gain of at least 6 dBi, the FCC allows operation up to 4 watts EIRP, which is 1 watt plus 6 dB of gain.
The FCC does allow EIRP greater than 4 watts for antennas having gains higher than 6 dBi.
The FCC requires you to reduce the transmitter output power if the transmitter is already at the maximum of 1 watt.
The reduction is only 1 dB(of transmitter power) for every 3 dB of additional antenna gain beyond the 6 dBi mentioned above.
Last Modified 04/10/06 09:00