Cisco Catalyst IW9165D Hardware Installation Manual page 51

Safety Guidelines and Warnings
• Antenna type and placement: Proper antenna configuration is a critical factor in maximizing radio range.
As a general rule, range increases in proportion to antenna height. However, do not place the antenna
higher than necessary because the extra height also increases potential interference from other unlicensed
radio systems and decreases the wireless coverage from the ground.
• Physical environment: Clear or open areas provide better radio range than closed or filled areas.
• Obstructions: Physical obstructions such as buildings, trees, or hills can hinder the performance of wireless
devices. Avoid locating the devices in a location where there is an obstruction between the sending and
receiving antennas.
• How far is your wireless link?
• Has a previous site survey been conducted?
• Do you have a clear Fresnel zone between the APs or radio line of sight?
• What is the minimum acceptable data rate within the link?
• Do you have the correct antenna (if more than one antenna is being offered?)
• Do you have the proper permits, if required?
• Are you following the proper safety procedures and practices?
• Have you configured the APs before you go onsite? It is always easier to resolve configurations or device
problems first.
• Do you have the proper tools and equipment to complete your survey?
Cisco Catalyst IW9165D Heavy Duty Access Point Hardware Installation Guide
Performing Site Surveys
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