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A pretty frequent problem that comes with the advent of HDMI (High Definition Multimedia Interface) turning into the new business customary for transmitting TV signals is the best way to select the correct size HDMI lead. Within the old days when everything was carried by RG6 Coaxial cable, it was possible to run the signal over fairly long runs and then merely cut the cable to length and fit a coax connector and easily connect it to the TV. Although RG6 cable is still used to attach the satellite dish to say for example a Freesat+ receiver, the output from the box to the TV will now invariably be a HDMI cable.

Another complicating factor is the popularity of hanging Flat screen TVs on a bare walls or over a fireplace. Clearly nobody wants HDMI cables tacked along the wall, so invariably the cables are being buried within the wall and usually run from the TV to a close-by built in unit which will house the satellite receiver. What makes choosing the proper size of lead is that it is not possible to simply prolong or shorten the lead. Typically there is a good number of HDMI cables starting from 1m all the way as much as 20m, with the higher limit being due to the level of signal loss that happens in cables which might be no longer than 20m.

Regardless of how well you plan it there may be always a possibility the the cable will too short. For example the HDMI enter in your new HD TV is in a distinct location than you anticipated, or you decide to mount the TV in a slightly completely different location. There are 2 options when it comes to extending a HDMI cable.

The primary and easiest option is to simply use a HDMI coupler which comes with sockets on each ends into which to insert HDMI cables. This option is each inexpensive, compact and doesn’t want a power supply. It’s however only suitable to make use of when the combined length of the two cables is less than 20m.

The opposite option is to make use of a HDMI repeater, which is a powered unit that each joins 2 HDMI cables collectively and likewise boosts the signal. Usually this unit is used when combining HDMI leads the place the mixed size is over 20m. The need to have the unit plugged in and its cost are certainly issues, but this is an essential unit on very long runs.

A remaining note on HDMI cables is that typically over brief runs, the difference in the signal loss between a low cost and an costly HDMI is fairly minimal. The place spending the additional money is worth while is on long runs of cable. A lot of the cost lost HDMI provider don’t do finances level cables which are longer than 5 or 10m.

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