signal strength - Techwatch Support Forums: Digital & Satellite TV, FTA, Cable, Computers, Mobile Phones, Apple and General Tech Forums

m1n1_me · 13-03-10, 04:51 PM

hello every one!

sorrry for another thread!

right im having problem's with my cable line!

right im running two modem's and a tv box!

and my signla has drop't down to -12.5 on my modem :S

so i bourt my self a signal / pre-amp but when i connect it all up my tv box work's fine but non of my modem's will connect!

is it the wire im useing or the screew on f-type connectors or this cheap splitter iv got :$

thank you all for your time!

mark

sr20 · 13-03-10, 05:07 PM

Yeah you were right about that signal being too low.

For line amp's only very specific ones will work with modems. STB's just require the downstream signal for decoding the channels, but modems require upstream and downstream.

You need an amp which allows pass through / amplification of the upstream / return path.

Like this:

Code:

http://cgi.ebay.co.uk/Konig-Pro30-Cable-TV-Modem-Signal-Amplifier-Booster-NTL_W0QQitemZ230404467975

m1n1_me · 13-03-10, 05:59 PM

mate thank you! i thor't it was they amp/splitter i got from ebay lol you nkow what they say you get what you pay for lol onthin! see my modem work's ok if i just plug that in on it's own! but soon as i plug this splitter in nothink at all it'll try an scan ect ect but just wont connect :S some one did say use a konig amp?

thank you mark

13-03-10, 04:51 PM	#1 (permalink)
m1n1_me pm me for my e-mail Join Date: Dec 2008 Location: A Little Thank's Goes A Long Way Posts: 134 Thanks: 72 Thanked 2 Times in 2 Posts	signal strength hello every one! sorrry for another thread! right im having problem's with my cable line! right im running two modem's and a tv box! and my signla has drop't down to -12.5 on my modem :S so i bourt my self a signal / pre-amp but when i connect it all up my tv box work's fine but non of my modem's will connect! is it the wire im useing or the screew on f-type connectors or this cheap splitter iv got :$ thank you all for your time! mark

13-03-10, 05:07 PM	#2 (permalink)
sr20 Senior Member Join Date: May 2009 Posts: 1,290 Thanks: 196 Thanked 385 Times in 301 Posts	Re: signal strength Yeah you were right about that signal being too low. For line amp's only very specific ones will work with modems. STB's just require the downstream signal for decoding the channels, but modems require upstream and downstream. You need an amp which allows pass through / amplification of the upstream / return path. Like this: Code: http://cgi.ebay.co.uk/Konig-Pro30-Cable-TV-Modem-Signal-Amplifier-Booster-NTL_W0QQitemZ230404467975 Last edited by sr20; 13-03-10 at 05:13 PM.

13-03-10, 05:59 PM	#3 (permalink)
m1n1_me pm me for my e-mail Join Date: Dec 2008 Location: A Little Thank's Goes A Long Way Posts: 134 Thanks: 72 Thanked 2 Times in 2 Posts	Re: signal strength mate thank you! i thor't it was they amp/splitter i got from ebay lol you nkow what they say you get what you pay for lol onthin! see my modem work's ok if i just plug that in on it's own! but soon as i plug this splitter in nothink at all it'll try an scan ect ect but just wont connect :S some one did say use a konig amp? thank you mark

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