An antenna is an electric device, normally a transducer that converts radio frequencies into alternative present. Until late 1980s antennas were larger in dimension and antenna installations have been a tough job. There are several types of antennas available. To mention a few:
� Wired antennas � Micro strip antennas � Aperture antennas � Traveling wave antennas � Log-periodic antennas � Dish antennas
All these antennas have various pros and cons. The technicians or antenna installers suggests one among these types of antennas based on the requirement of their customer. Introduction of Direct To Home (DTH) notion has attracted dish antennas into the industry. These dish antennas provide more picture clarity and also have made television viewing a more interesting point to individuals. These antennas work on micro wavelengths that have a frequency over 3 GHz. Dish antenna installations tend to be simpler and requires very less time when compared to conventional antennas.
Certain|Specific} different devices or accessories are used with antennas to provide comfortable and effective viewing. Following are the accessories that can be fixed through aerial installation:
� Amplifiers: As its name infers, this device helps in amplifying the signals to give optimum quality and strength. Amplifiers are employed in places where the station signals are weak.
� Boosters: Boosters are not used today. Boosters were used with conventional antennas to reduce grains and unwanted sound.
The set top box matches the dish antennas and receive signal from them. This helps to alter and view unique channels for that a remote control device will be given with that. DTH comes in two popular modes namely conventional and higher definition.
Aside from default stations, the audiences may subscribe for their favorite or preferred channels by calling the DTH service providers.
Several antenna install companies operate around the globe and supply solutions to their customers. The customers who have a antenna or aerial installation need can search for the record of installers in their area by browsing the net through search engines. The customers can also get a free price quote from other antenna installation firms in their place by offering their needs. The consumers may also see the opinions of those aerial installation businesses and select a service provider based on the purchase price quote and opinions offered by different customers who have used their service.