Digital technology is a new and upcoming phenomenon which is taking the nation by storm. It is actively pursued across the globe today as many consumers and all walks of life are enjoying its benefits such as better receptivity and availability of more channels. There is a cost saving factor involved as the progressive technology brings down the cost as the chip size, speed and storage are impacted to power up the receipt and transmission of digital signals. It is a principle of economy of scale where savings are passed on to consumers from the manufacturers.
New technologies must always be checked and approved to set the right standards by the relevant industry. Hence, the same must happen with digital aerials even though the terminology may not be accurate in most circles. However, the CAI, a well recognized national body of the aerial industry, has set up the relevant and appropriate regulations as well as standards that should be applied for any digital aerial installation dron.
Such authorities in the aerial industry, CAI and RDI, have indicated their approvals on the approach, technique, products and charges that involve a digital aerial installation. Such installation should employ a balun; this term simply refers to ‘balanced to unbalanced’ impedance of the aerial and cable.
This is where a cap is required on top of the digital aerial to prevent poor reception for a perfect TV viewing. This is how quality connection for an enhanced digital compatibility can be achieved.
CAI has generated a clear guideline on benchmarking the digital aerial and its components. This is to ensure that no consumer would be fleeced into inappropriate products for a proper digital aerial installation.
There are basically four standards for aerial types in the industry.
Standard 1 refers to the acceptable DTT reception that would be suitable for homes that are located along the edges of identifiable digital signal coverage areas. Standard 2 refers to the intermediate level of suitability for the entire DTT area identified. Standard 3 refers to the minimum level that is specifically for primary service areas identified. Standard 4 refers to the wideband performance in areas where a specific aerial design is required for the narrower beam width.
Hence, all good digital aerial components have the recognized CAI benchmark on them to ensure good TV receptivity.
There may be several components that are involved in a digital aerial installation; one of them is the cable that links the TV aerial to the TV. The CAI has approved certain types of cables to ensure that the digital signals are transmitted accurately to give consumers a perfect TV viewing using doubly screened copper foiled cables.
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