An antenna is an electrical apparatus, usually a transducer that converts radio frequencies into alternate current. Until late 1980s antennas were bigger in proportion and antenna installations have been a tough job. There are lots of kinds 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 respective pros and cons. The antenna or technicians builder suggests one of these types of antennas based on the requirement of the client. Introduction of Direct To Home (DTH) concept has brought dish antennas to the industry. These dish antennas offer more image clarity and also have made television seeing a more interesting thing to people. These antennas operate on micro wavelengths which have a frequency over 3 GHz. Dish antenna installations are simpler and takes very less time compared to traditional antennas.
Certain|Specific} different accessories or devices are used with antennas to present comfortable and effective screening. Following would be the accessories which could be fixed during aerial installation:
� Amplifiers: As the name infers, this device helps to amplify the signs to offer optimal strength and quality. Amplifiers are used in areas where the station signals are weak.
� Boosters: Boosters aren't used nowadays. Boosters were utilized with conventional antennas to reduce grains and undesirable sound.
� Set top boxes: These boxes have been used mostly in DTH idea. The set top box matches the dish antennas and get signal from them. This assists to alter and view various channels for which a remote control device is going to be supplied with it. DTH comes in 2 popular modes namely regular and high definition.
Apart from default stations, the audiences can subscribe to their preferred or favorite channels by contacting the DTH providers.
A number of antenna install businesses operate around the world and provide solutions to their clients. The customers who have an antenna or aerial installation need can hunt for the list of installers in their own area by browsing the net through search engines. The customers may also get a free price quote from various antenna installation firms in their place 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 feedback supplied by different customers who have already used their service.