Antennas are the electronic devices that are used to transmit and receive radio signals. These are electrical conductors for radio waves. Heinrich hertz discovered antennas in 1888. He discovered the antennas to prove the existence of electromagnetic waves. They convert radio frequency electrical current to electromagnetic waves and vice versa. The...
A cell phone is an electronic device that is portable for talking over long distances. Cell phone connects to the cellular network of the site of cell which is further connected to the telephone network of public. Mobile phone offers many services other then acting as a phone. It offer the services like SMS, access to internet and also the MMS faci...
Being able to talk on a handheld gadget without wires crossways the world is really a great achievement in technology. Few people stop and imagine about this minor miracle. However, when someone stuck somewhere unable to make a call because of a poor cell signal, the appreciation for this technology can be tested. Regrettably, cellular service prov...
Antennas are the electronic devices used for transmission and reception of electromagnetic or radio waves. Basically an antenna is an arrangement of aerial electrical conductors. They convert radio frequency electrical currents into electromagnetic waves and vice versa. Antennas have wide range of uses. They are used in the systems such as radio an...
A rotor is a device which will allow user to rotate the antenna in any direction. The outdoor TV antenna is switched on and off manually. This function is performed by the control unit. The control unit is placed inside house near the television set. The wire carries the power and controls the signals with the help of indoor control unit.
Antennas are the electronic devices that are used for reception and transmission of radio waves. In other words it is an arrangement of aerial electronic conductors that are designed to receive and transmission of radio waves. Antennas convert radio frequency electric currents into electromagnetic waves. Antennas are used in all most all the electr...
Booster is a device used for increasing power or effectiveness. It is an enthusiastic promoter. A booster is also called as a radio frequency amplifier. It helps to maintain or increase a protective immune response. Boosters are used in all the electronic devices. They turn the performance of the device to a high position. They significantly inc...
The elements of the antenna array means the collection of all the similar radiation and elements related to the antenna, where the counting of the elements starts from 1 till N number. The similarity of the elements is judged on the basis of the same frequency, which means to derive voltage of each element one has fixed amplitude and phase angle. T...
Treadmill is an electronic device which is used for exercising. Exercising with the help of treadmill has many positive advantages on the health of the user. The user of the treadmill is allowed to walk, run or jog on the belt of the machine which moves in a circular motion. Speed of the user can be maintained with the treadmill. Treadmill can be k...
Dumbbells are those pieces of equipments that are used specifically in weight training. And is considered as a type of free weight in the category of gym equipments. Dumb bells are usually meant opt be held in one hand. For this reason dumb bell always comes in pairs. The origin of dumb bells is rooted in India, wh...