User's Manual

must begin with “0x” and are composed of the numbers 0-9 and letters A-F. Text keys

cannot start with “0x”.

CAUTION: Encryption keys must be the same for all communicating wireless

stations. If you don’t use the right key, you can establish a radio connection with

another station on your network but you will not be able to transfer data.

Advanced Tab

On the Advanced tab of the Edit Configuration window the following parameters can be

specified:

§ Card Power Management – to extend the battery life of (mobile) wireless

devices.

§ Interference Robustness – when troubleshooting slow performance of the

WLAN network that could be related to in-band interference from e.g. microwave

ovens.

§ RTS/CTS Medium Reservation – if density of WLAN stations and access points

is very low, OR as a result of poor network performance due to excessive frame

collisions at the access points.

Admin Tab

On the Admin tab of the Edit Configuration window the following parameters can be

specified:

§ Distance between Access Points – depending on the number of access points

in a WLAN network this parameter controls the network performance.

§ MAC Address – when troubleshooting slow performance of the WLAN network

that could be related to in-band interference from e.g. microwave ovens

3.4 Performance Testing

Open the main window of the Client Manager by left clicking once on the icon in the

taskbar. This screen displays general information about the operational status and

performance of your Emerald USB Antenna.

You can diagnose the performance of your Emerald USB Antenna by using one of the

options under the Advanced menu:

§ Perform a PC Card hardware test running the Card Diagnostics.

§ Perform a radio Link Test with a single Access Point or computer.

§ Perform a Site Survey running the Site Monitor option.

3.5 Card Diagnostics

The Card Diagnostics option verifies your hardware and can help determine the cause

of a malfunctioning card. You can use the Card Test information to investigate the

operation of your Emerald USB Antenna and the installed driver.