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wireless signal boost to help low signal from cable tv ?

  1. #1


    Posts : 381
    Windows 8.1 64-bit

    wireless signal boost to help low signal from cable tv ?


    We have a nice signal from the router until about the same time each day. Only cable tv modem is available. Evidently the country neighbors do lots of internet during the afternoon.

    Is there a way to boost the signal coming down the cable line ? The cable tv company has installed new cables from the pole into the house. We have installed all new cables in the house.

    All of the boosters I've seen are for after the wireless signal gets to the cable modem.

    Thanks !

    Jim

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  2. #2


    This is a known issue with cable connections. When its not heavily used the signal, speeds can be good, but when it is used heavily things can deteriorate.

    However, how do you know that the cable signal is changing? Unless someone from the cable company has measured the cable signal you don't know that is what is causing the problems. I don't think the signal level on the cable side will affect the wi-fi signal level on that side. They are two separate functions. If your wi-fi signal is deteriorating it has to be some other interference.

    Going back to the cable signal level, I had a change every day around 1PM and the cable modem would lose sync. It turned out to be a bad underground cable between the main cable distribution amp and an intermediate amp in our neighborhood (every thing is under ground). It took a special crew to find and fix this, the tech that came to the house knew "nothing". I had to keep calling everyday when it went bad and after the problem went "chronic" then they got the cable crew on it.
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  3. #3


    Posts : 381
    Windows 8.1 64-bit


    My brother-in-law has worked with the cable company over a couple of years for this problem. The house is in a rural area, and the cable company has said the signal to the house does decrease, they just have no idea how to fix it.
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  4. #4


    Can't the cable company boost the signal? They did that for mine as it was low. This was after they fixed the problem I mentioned, they did some testing and found the signal level low. They raised the signal level from the distribution amp.

    I don't know of any amp you could get to boost the cable company's signal level. Even if you could, when you have the problem, it would also be boosting the noise and the signal to noise ration may be affected.
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  5. #5


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    The OP would have to get a Zero Gain Amp. But the problem is that without the company that owns the CATV plant to do something. They are stuck in a fight that they cannot win.
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  6. #6


    Posts : 381
    Windows 8.1 64-bit


    Quote Originally Posted by fireberd View Post
    Can't the cable company boost the signal? They did that for mine as it was low. This was after they fixed the problem I mentioned, they did some testing and found the signal level low. They raised the signal level from the distribution amp.

    I don't know of any amp you could get to boost the cable company's signal level. Even if you could, when you have the problem, it would also be boosting the noise and the signal to noise ration may be affected.
    From what my sister said, they are paying extra for a boosted signal.

    None of the other ISPs like AT&T DSL and a new one I don't remember the name of off-hand are available here.
    Last edited by JimJoe; 05 Aug 2014 at 16:09. Reason: info
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  7. #7


    Quote Originally Posted by JimJoe View Post
    Quote Originally Posted by fireberd View Post
    Can't the cable company boost the signal? They did that for mine as it was low. This was after they fixed the problem I mentioned, they did some testing and found the signal level low. They raised the signal level from the distribution amp.

    I don't know of any amp you could get to boost the cable company's signal level. Even if you could, when you have the problem, it would also be boosting the noise and the signal to noise ration may be affected.
    From what my sister said, they are paying extra for a boosted signal.

    None of the other ISPs like AT&T DSL and a new one I don't remember the name of off-hand are available here.
    What they are paying for is more bandwidth, most cable companies sell cheap 3 mb down .5 mb up, then there are tiered up to whatever maximum they support. Mine maxes out at 50 down 3 up. You must be out beyond the Fiber Optics cable and on copper which does lose strength over length from the nearest substation. Not really sure, here after Katrina the cable company rebuilt with fiber optics.
    Your other option would be satellite that's everywhere.
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  8. #8


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit


    Yea, it's not the strength of the signal it is the bandwidth. The cable can only support so much throughput at any time. What you are experiencing is what we satellite internet people live with 24/7.
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  9. #9


    Posts : 381
    Windows 8.1 64-bit


    I think they are paying for 50 megs. There are several splitters in the basement to make connections for the tv and the internet.

    If we do buy a zero gain amp, it will be placed at the first splitter.
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  10. #10


    Hafnarfjörður IS
    Posts : 4,376
    Linux Centos 7, W8.1, W7, W2K3 Server W10


    Hi there

    What about one of those WIFI extenders -- just plug it anywhere you can receive WIFI in your house and it's a ZERO configuration thing -- they really work well on boosting even a tiny Wifi signal.

    I see you really want to boost the Cable companies INPUT signal -- however if you have your Wifi extender right NEAR the input box you can still boost a very weak signal (and you can daisy chain these - so you could have another one if you need to boost yet more further away). - Degradation (i.e speed loss ) is minimal on TWO boosters -- I haven't tried 3 --I don't have THAT big a house or grounds !!!!.

    If your normal network name is DOGSDINNER then you'll see another network with the name DOGSDINNER-EXT. 2nd one if you use more than one is DOGSDINNER-EXT1. You just ensure you connect to that one if the signal is stronger --same password / firewall / port forwarding etc as your "Base" network. Just Plug 'n Go.

    Works brilliantly. Doesn't matter if it's a Cable router or "Classic telephone Broadband" into a bog standard router.

    This is the sort of device I mean -- you could probably source it cheaper than the UK -- UK always hideously expensive PLUS 20% VAT as well !!! but you should get an idea of the device.

    NETGEAR WN3000RP Universal WiF... | WN3000RP-100UKS | £44.99 | Insight UK

    If this isn't the problem then I've mis-understood the question -- from your post I assume that your signal is too weak in some places in your house --this device will boost it enormously.

    Cheers
    jimbo
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wireless signal boost to help low signal from cable tv ?
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