Antenna

* In biology, antenna (plural: antennae) refers to the sense organ of some type of arthropoda.
* In the electronics, antenna (plural: antenna) refers to a component designed to send and receive radio waves - also called aerial
* Antenna, also called ANT1, is a Greek word - terestrial canal.
* In astronomy, the Antennae is the name of the two collide, namely the galaxy NGC 4038 and NGC 4039.
* In astronomy, may refer to the antenna radio telescope

An antenna is a vital part of a sender or recipient who works for the radio signals to the air. The form of an antenna in accordance with various kinds of designs,
patterns and the distribution of frequency and gain. Antenna effective length is the length of the radio frequency waves in it. Half-wave antenna is very easy because poluler created and able to emit radio waves effectively