How to Boost Signal to a Satellite Receiver With a Long Cable


So you want to boost the signal from your satellite dish to your satellite receiver over a long length of cable. Perhaps your satellite dish had to be installed on some obscure corner of your property or you live in an apartment building and the dish is on the roof. No matter your reason, a satellite dish wire cannot exceed 100 feet in a single run, as the strength of signal from the dish isn't strong enough to go further. In addition, you cannot add an amplifier to the wire because, unlike cable systems, the amp will interfere with your picture. However, if your cable is less than 100 feet, there are measures you can take to improve your signal.

Things You'll Need

  • RG-6 coaxial cable
  • Satellite-grade satellite splitter purchased from your satellite company (for multi-television systems)
  • Disconnect all ends of your cables. To disconnect a coaxial cable, twist the end until it comes loose. Check to see that the pin in the center of the wire is straight and undamaged; this is the portion that delivers your television signal. If it isn't straight, replace the wire. If it is straight, re-connect the wire. To re-connect, insert the pin from the wire into the pin-sized hole in the coaxial port, then twist the wire until it is secured.

  • Replace the entire cable with a single uncut RG-6 coaxial cable. If you have multiple cables that are connected together by splicers or perhaps a damaged cable, this will greatly improve your signal. Disconnect the wire from both ends and insert the new wire exactly in its place.

  • Install a satellite-grade splitter. To do this, you must have a dual LNB satellite dish, which means your dish receives two separate satellite signals. You'll know it's a dual LNB dish because two wires will come out from behind it. Follow the wires from your dish to your receivers, then disconnect both wires and connect them to the input ports on your satellite splitter. Then re-connect the satellite receivers to the output ports of the splitter. Even if you don't need to split the signal, the splitter assists in pushing the signal through the cable.

Tips & Warnings

  • You must purchase a satellite splitter direct from your satellite company. Satellite wire runs can only be split a single time and must come from a specific type of splitter; you can't use a regular one from your local hardware store in this case.

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  • Photo Credit Don Farrall/Digital Vision/Getty Images
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