The omni directional antenna is an antenna system that radiates power uniformly in all directions. The only 3 dimensional omni directional antenna is the isotropic antenna, a hypothetical construct derived from actual antenna radiation patterns and used as a suggestion for specifying antenna gain and radio system effective radiated power. Practical...
It is an electronic device used to transmit and receive radio signals. A directional antenna is an antenna that radiates greater power in one or more directions. This allows increased performances on transmit and receive and receive and reduced interference from unwanted sources. All the antennas are slightly directional. The normal antennas have a...
One can build wireless home network, a wireless LAN by using simple three-step approach like identify the WLAN design that is best for the situation. Choose good wireless gear and install gear and test the configured WLAN. Though prices have dropped severely from a few years ago when wireless gear was quite expensive. Benefits of Wireless: Wi...
Dipole antenna is nothing but an antenna with two poles. It is the simplest type of antenna. A dipole antenna is an aerial half a wavelength long. It is an electrical device that is used to send or receive radio or television signals. It consists of two rods connected to a transmission line at the center. It has maximum radiations at right...
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...
Basically a cable is two or more wires bound together typically in a common jacket. Cable TV is a system of providing television network to the consumers. This is done through radio signals transmitted to the televisions through fixed optical fibers. Cable TV can be abbreviated as CATV. Initially it was known as Community Antenna Television origina...
The term grounding means a common return path in electrical circuits. Electricity grounding is nothing but the connection of part of an electrical circuit to an electrical ground. There are three types of grounds, static, RF and electrical. Static grounding is the most difficult. There will no be guaranteed results. The electrical grounding is t...
Tai chi is one of the many activities that can be done while watching TV. In Mandarin, Tai Chi or Tai Chi Chuan refers to “supreme fighting”. It is mainly a form of martial arts originated in China around the 16th century. During the 1970s, it was introduced in the United States, and has been growing in popularity ever since.
Sits ups are a basic form of strength training exercise. It the most common and prominent exercises for the abdominal muscles. The main objective of this exercise is to work out the abdominal muscles to the maximum extent. There are many people who do as many sit ups each day in an attempt to gain a six pack. However in order to gain the maximum be...
Push ups also known as press ups is one of the most common form of free hand exercises. It is basically a strength training exercise that is performed in a prone position, where the performer while lying in the horizontal and face down, raising and lowering the body using the arms. Push ups are very effective in developing the pectoral muscles and ...