Results for: Directional-antenna

What is the need of antennas?

A transmit antenna sends radio energy from an electronic circuit into space. A receive antenna captures radio energy from space and connects it to an electronic circuit. Most (MORE)

Does a wasp have antenna?

yes they do have antenna! they are used for sensing danger and investigating to see what they can and can't eat because the antenna is like a tongue that taste different foo (MORE)

Why Directional antenna are not useful for mobile phones?

Because a directional antenna is designed to either transmit or receive signals from a small are of space. Mobile phones need to receive from and transmit to all directions - (MORE)

What is an active antenna?

  Answer   An active antenna is an antenna which has an amplifier attached very closely to it. The antenna/amplifier system is called an active antenna. It is used fo (MORE)
In HDTV

Are indoor digital TV antennas directional?

Yes, but to a very limited extent.   The most common indoor antennas generally may have rabbit ears, discs, and dials. The rabbit ears, contrary to popular belief, get th (MORE)

How do you change antenna?

Depends on the vehicle, need to know makr/model/year. Most older  ones just unscrew. New bmw's have it embedded in the window glass.
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What is a butterfly antenna?

Butterflies anteena's are basically like there face they use them for sight,smell and communication
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