Troubleshooting Wireless Connectivity
Chapter 10: Working with Wireless Networks 303
Wireless reception is poor. What should I do?
• Adjust the angle of the antennas, until the reception improves. The antennas
radiate horizontally in all directions.
• If both antennas are connected to the UTM-1 appliance, check that the Antenna
Selection parameter in the primary WLAN's advanced settings is set to
Automatic (see Manually Configuring a Wireless Network on page
280).
• Relocate the UTM-1 appliance to a place with better reception, and avoid
obstructions, such as walls and electrical equipment. For example, try mounting
the appliance in a high place with a direct line of sight to the wireless stations.
• Check for interference with nearby electrical equipment, such as microwave
ovens and cordless or cellular phones.
• Check the Transmission Power parameter in the primary WLAN's advanced
settings.
• Make sure that you are not using two access points in close proximity and on the
same frequency. For minimum interference, channel separation between nearby
access points must be at least 25 MHz (5 channels).
• The UTM-1 appliance supports XR (Extended Range) technology. For best
range, enable XR mode in the wireless network's advanced settings, and use XR-
enabled stations.
• Range outdoors is normally much higher than indoors, depending on
environmental conditions.
Note: You can observe any changes in the wireless reception in the My Computers
page. Make sure to refresh the page after making a change.
Note: Professional companies are available for help in setting up reliable wireless
networks, with access to specialized testing equipment and procedures.
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