522
Cisco 4G LTEA, 4G LTE, and 3G Omnidirectional Dipole Antenna (LTE-ANTM-SMA-D)
The density of the materials used in a building’s construction determines the number of walls the signal must pass through
while still maintaining adequate coverage. Consider the following before choosing the location for installing your antenna:
— Paper and vinyl walls have very little effect on signal penetration.
— Solid and precast concrete walls limit signal penetration to one or two walls without degradation of coverage.
— Concrete and wood block walls limit signal penetration to three or four walls.
— A signal can penetrate five or six walls constructed of drywall or wood.
— A thick metal wall or wire-mesh stucco wall causes signals to reflect back and causes poor penetration.
Avoid mounting the antenna next to a column or vertical support that could create a shadow zone and reduce the coverage
area.
Keep the antenna away from reflective metal objects such as heating and air-conditioning ducts, large ceiling trusses,
building superstructures, and major power cabling runs. If necessary, use an extension cable to relocate the antenna away
from these obstructions.
Related Documentation
For information about antennas and modules, see:
http://www.cisco.com/go/cg-modules
For information about omnidirectional and directional antennas, see:
http://www.cisco.com/en/US/tech/tk722/tk809/technologies_tech_note09186a00807f34d3.shtml
Communications, Services, and Additional Information
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To discover and browse secure, validated enterprise-class apps, products, solutions and services, visit Cisco Marketplace.
To obtain general networking, training, and certification titles, visit Cisco Press.
To find warranty information for a specific product or product family, access Cisco Warranty Finder.
Cisco Bug Search Tool
Cisco Bug Search Tool (BST) is a web-based tool that acts as a gateway to the Cisco bug tracking system that maintains a
comprehensive list of defects and vulnerabilities in Cisco products and software. BST provides you with detailed defect
information about your products and software.
Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL:
www.cisco.com/go/trademarks. Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship
between Cisco and any other company. (1721R)
Any Internet Protocol (IP) addresses used in this document are not intended to be actual addresses. Any examples, command
display output, and figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses in
illustrative content is unintentional and coincidental.
© 2018 Cisco Systems, Inc. All rights reserved.
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