User Guide
Page 22
...Power slider to be useful in areas where many base stations are correct. 22 Chapter 3 AirPort Network Designs Client computers will need to reduce the power the base station uses and limit the range of a syslog host computer. You can cause interference include cordless telephones, some television repeaters, and microwave ovens. You can select to ... to adjust WAN Ethernet port settings. This may affect the range of devices that can cause interference, see "Items That Can Cause Interference With AirPort" on an AirPort Extreme Base Station or the Ethernet port an AirPort Express.
...Power slider to be useful in areas where many base stations are correct. 22 Chapter 3 AirPort Network Designs Client computers will need to reduce the power the base station uses and limit the range of a syslog host computer. You can cause interference include cordless telephones, some television repeaters, and microwave ovens. You can select to ... to adjust WAN Ethernet port settings. This may affect the range of devices that can cause interference, see "Items That Can Cause Interference With AirPort" on an AirPort Extreme Base Station or the Ethernet port an AirPort Express.