An antenna is an electric apparatus, normally a transducer which converts radio frequencies to alternate current. Until late 1980s antennas were bigger in dimension and antenna installations have been a challenging job. There are lots of kinds of antennas available. To mention some:
� Wired antennas � Micro strip antennas � Aperture antennas � Traveling wave antennas � Log-periodic antennas � Dish antennas
These antennas have respective pros and cons. The antenna or technicians installers suggests one of these kinds of antennas depending on the requirement of the customer. Introduction of Direct To Home (DTH) concept has attracted dish antennas to the marketplace. These dish antennas offer more picture clarity and also have made television viewing a more interesting thing to individuals. These antennas operate on micro wavelengths that have a frequency more than 3 GHz. Dish antenna installations tend to be easier and requires very less time compared to conventional antennas.
Certain|Specific} different accessories or devices have been used with antennas to present comfortable and effective viewing. Following would be the accessories which can be fixed through aerial setup:
� Amplifiers: As the name infers, this system helps to amplify the signals to offer optimum quality and strength. Amplifiers are used in areas where the station signals are weak.
� Boosters: Boosters are not used nowadays. Boosters were utilized with standard antennas to lessen grains and unwanted noise.
� Set top boxes: These boxes are used mostly in DTH concept. The set top box matches the dish antennas and receive signal from them. This helps to change and see various stations for which a remote control apparatus will be given with it. DTH comes in two popular manners namely regular and high definition.
Aside from default stations, the audiences may subscribe for their favorite or favorite channels by contacting the DTH service providers.
Many antenna install companies operate around the world and supply services to their customers. The clients who have an antenna or aerial setup need can hunt for the list of installers in their area by simply surfing the net through internet search engines. The customers may also get a free price quote from other antenna setup companies in their area by supplying their requirements. The consumers may also see the opinions of those aerial installation companies and choose a service provider based on the price quotation and opinions given by different clients who have used their service.