Cakes and Berries » Home Improvement

By: Cakes And Berries  09-12-2011
Keywords: Video, Watch

H. Y. Wong asked:

If you want to watch video on a second TV in a different room away from where your audio-visual equipments are normally located, you may want to consider getting a wireless video transmitter. It is a two-component system consisting of a wireless transmitter and a wireless receiver. To make it work, first connect the transmitter to a video source such as a cable TV box and the receiver to the second TV in, for example, the garage. When switched on, the transmitter sends continuous TV signals across the air to the receiver. The receiver in turn feeds live TV pictures to the second TV in the garage. Now you can enjoy live TV broadcasts in the garage as if you are sitting in the living room. These wireless signals can penetrate walls and floors, meaning that the transmitter and receiver do not have to be within line of sight of one another.

The main advantages of using this kind of devices are convenience, flexibility and cost savings. It is convenient because you don’t have to run long wires around the house to connect between the video source and the video display. It is flexible because the wireless receiver can be moved around easily, with no need to install new wires or re-route old ones. It saves money because you don’t have to buy extra devices such as a second cable box or a second DVD player in order to watch video in a second room.

It is not just the cable TV box to which the transmitter can be connected. Other video sources like DVD players, DVR or TiVo boxes, satellite boxes etc can also be connected. This way you can watch not only live TV programs, but also DVD films or pre-recorded TV programs on your second TV.

It can also be used to do audio transmissions. The wireless video transmitters generally accept RCA cables as inputs. So provided that the particular audio source has RCA outputs, it will be able to connect to the transmitter. Let us say you have a PC with a sound card having RCA outputs and you connect it to a transmitter. If you then connect a set of speakers to the receiver located somewhere else, you can listen to the MP3 songs stored on the PC without having to sit next to it.

The frequency of transmission is also an important consideration when purchasing a wireless video transmitter. Many of these units operate in the 2.4 GHz band. The trouble is that this greatly increases the likelihood of interference with other household devices. Microwave ovens, wi fi networks and many cordless phones operate in and around the neighborhood of 2.4 GHz. It is quite common that switching on and using one of these devices will interfere with the operation of the others. Many devices have the ability to select channels for use and this can mitigate the interference problem somewhat.

The good news is that there are transmitters that operate in the 5.8 GHz band, away from the congested 2.4 GHz band. These 5.8 GHz units are thus much less likely to suffer from interference issues, given that most household electronic devices do not operate around 5.8 GHz. Recently manufacturers have begun to introduce newer 5.8 GHz cordless phones, so you do need to watch out for that in order to avoid potential conflicts.

With this electronic gadget, you can watch TV or listen to music anywhere in the house. It takes just minutes to set up, without complex installations and expensive additional equipments.

Keywords: Video, Watch

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