We have several Aironet 1121 AP. When we try to connect a IPAQ (41XX or 5550) we cannot connect to the AP. Whe have tried settings such as Aironet extensions disable and Preamble short / long. Still the IPAQ cannot connect. Has somebody some suggestions? I have attached the config of the AP. The PDA has to connect to the SSID WLAN-GUEST
If your device is connected to a DHCP server, choose Obtain an IP address via DHCP or
Use server-assigned IP address and tap OK.
If your device is not connected to a DHCP server, choose Specify an IP address or Use specific IP address and follow the steps below:
Enter the IP address, subnet mask, and default gateway address you want to assign to your device. They can be obtained from your system administrator.
Tap the Name Servers tab and enter the primary and secondary DNS and WINS you want to assign to your device. They can be obtained from your system administrator.
The driver and client utility installation is complete. To verify that you have properly installed the driver and client utilities, check the client adapter's LEDs. If the installation was successful, the client adapter's green LED blinks