![]() ![]() Dipole antennas have a different radiation pattern compared to isotropic antennas. Unlike isotropic antennas, dipole antennas are real antennas. An isotropic antenna is said to have a power rating of 0 dB, meaning that it has zero gain/loss when compared to itself. regulatory agency (the Federal Communications Commission, or FCC) uses dBi in its calculations. The decibels over an isotropic radiator (dBi) value is used to compare the power level of a given antenna to the theoretical isotropic antenna. An isotropic antenna is a theoretical antenna with a uniform three-dimensional radiation pattern (similar to a light bulb with no reflector). The gain of a specific antenna is compared to the gain of an isotropic antenna. The reflector concentrates and intensifies the light beam in a particular direction similar to what a parabolic dish antenna would do to an RF source in a radio system.Īntenna gain is measured in decibels, which is a ratio between two values. A good analogy for an antenna is the reflector in a flashlight. Direction is the shape of the transmission pattern. Ĭisco partners can provide onsite engineering assistance for complex requirements.Īn antenna gives the wireless system three fundamental properties: gain, direction, and polarization. For a consultation, please contact a Cisco Aironet partner at. An antenna system comprises numerous components, including the antenna, mounting hardware, connectors, antenna cabling, and in some cases a lightning arrestor. Wifi patch antenna how to#To optimize the overall performance of a Cisco wireless LAN, it is important to understand how to maximize radio coverage with the appropriate antenna selection and placement. Implementing the antenna system can greatly improve coverage and performance. This document also contains information about the Cisco antennas and accessories, as well as installation scenarios, regulatory information, and technical specifications and diagrams of the available antennas.Įach Cisco Aironet radio product is designed to perform in a variety of environments. It details deployment and design, limitations and capabilities, and basic theories of antennas. This antenna reference guide explains issues and concerns about antennas used with a Cisco ® Aironet ® and Catalyst ® wireless LAN system or wireless bridge system. Wifi patch antenna series#Cisco Catalyst 9124AX Series integrated Directional antenna.Cisco Catalyst 9124AX Series integrated Omni directional antenna.Cisco Catalyst 9130AX Series integrated antenna.Cisco Catalyst 9120AX Series integrated antenna.Cisco Catalyst 9117AX Series integrated antenna.Cisco Catalyst 9115AX Series integrated antenna.Cisco Catalyst 9105AX Series integrated antenna.Cisco Aironet 4800 Series integrated antenna.Cisco Aironet 28 Series integrated antenna.Cisco Aironet 1830/1850 Series integrated antenna.Cisco Aironet 1840 Series integrated antenna.Cisco Aironet 1815 (i, t, w, m) Series integrated antenna.Cisco Aironet 1570 Series integrated antenna.Cisco Aironet 1530 Series integrated antenna.Cisco Aironet 1550 Series integrated antenna.Cisco Aironet 1700i integrated antennas.Cisco Aironet 2700i integrated antennas.Cisco Aironet 3700i integrated antennas.Cisco Aironet 1600i integrated antennas.Cisco Aironet 2600i integrated antennas.Cisco Aironet 3600i integrated antennas.Cisco Aironet 700W Series integrated antennas.Cisco Aironet 700i Series integrated antennas.Cisco Aironet OEAP600 Series integrated antenna. ![]() Cisco Aironet 1040, 1140, 3500i Series integrated antennas *.Dual-band wall-mount directional array antenna. ![]() Dual-band wall-mount omnidirectional, 4 elements.Dual-band ceiling-mount omnidirectional, 4 elements. ![]()
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