You can use different AirPort client computers to check the placement of a base station by performing the following steps:
1. Choose a channel frequency that is different from any frequency used by sources of interference, such as other AirPort networks.
2. Place your base station in a location free from interference.
3. Position multiple clients throughout the area you would like to test.
4. Check the signal strength on the clients from the AirPort menu bar item.
If the client coverage is not optimal:
1. Try repositioning the base station to reduce possible interference
2. In the Admin Utility, use the "Base station density" pop-up menu in the AirPort panel to set the base station density to Low, Medium, or High, depending on how far apart your base stations are from each other.
3. Install additional base stations to increase performance in an area too large or with too much interference for optimal coverage by one base station.
Note: Wireless Internet access requires an Internet service provider (fees may apply) and AirPort (or AirPort-compatible) wireless Ethernet card and base station. Some ISPs are not compatible with AirPort. For more information, see technical document 106590: "
AirPort: Requirements for Wireless Internet Access".