2010年7月30日星期五

Differences Between Cable TV And Satellite TV

Entertainment has been one luxury that almost everyone can enjoy. It can be in the form of nfl throwback jerseys watching TV shows, movies, etc. With the birth of the new technology, then emerge the invention of satellite and cable TV. These two have a trait in common to them. They are both television broadcasting systems. The differences between the two is the technology they are using and benefits that they offer.

* Cable television: the system that the cable TV is using is the system offers viewing of channels through signals of radio frequency which then are being transmitted by optical fiber cables or coaxial cables. In other countries whenever over-the-air transmission was complicated and difficult because of climate or geographical conditions, the only possible solution was the cable TV. This situation led to the invention of nfl jerseys cable TV in the year 1948. Nowadays, cable TV is highly popular in almost all continents like Europe, East Asia and North America. Cable TV is not so popular in the continent Africa.
* Satellite TV: the system used in this process of satellite TV or satelit tv is that the television signals are being sent by making use of the communication satellites. In most areas of the world, the satellite TV has effectively changed the television systems that are terrestrial based. The setup of satellite TV comprises of a dish that has an outline that of a parabola that houses antenna that has uplink transmission components. The uplink dish will be directed to the direction of a specific satellite. The transponders that are located in the satellite then gets the signals from the uplink antennas and then transfers back the signals to the Earth using a different band frequency.
The difference in the system of satellite dish is the equipments being used has about 4 receivers and 1 satellite dish and the installation of the system is free. In cable TV, clients need to have cable boxes to connect the cables lines to the television. With satellite TV, the connection needed is a view which has no obstruction or something that blocks the way of the satellite dish so that it can get signals. The setup for cable TV cheap nfl jerseys differs from one to another cable TV provider. Another difference is that the cable TV offers much more channels compared to satellite TV.


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