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An antenna has three main properties: direction, gain and polarization.
Wireless Antenna Gain is term used for measuring of increase in signal power, as decibels (dB). Antenna with a higher gain is more effective in it’s radiation pattern. Every antenna is designed to raise the power in the wanted direction and reduce it in unwanted directions. Gain of an antenna is reciprocal, meaning it is the same for transmitting and receiving.
Antenna Direction is the shape of the wireless signal after leaving the antenna.
Polarization of the wireless antenna is the orientation of the wireless signal. It can be vertical, horizontal, circular or combinations of these.
The E-plane and H-plane are reference planes for linearly polarized antenna
This diagram showing the relationship between the E and H planes for a horizontally polarized directional antenna Continue reading
Written by: http://www.wifi-antenna.com/ Parabolic grid & dish wireless antenna This highly directional antenna type transmit/receives signals in a very narrow angle, so they are ideal for long distance and point to point network connections. It has a main reflector surface… Continue reading
