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pcilex

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New Wifi Modem Router and Location

We currently have TV downstairs, TV upstairs and our Internet setup via cable modem and separate router upstairs. I have a new PC that is set up downstairs. The wifi signal throughout the house has always been spotty. in response to that, We just purchased a new Docsis 3.0 Wifi Cable Modem Router [Negear C3000). We would like to install near the new PC downstairs so we also picked up a splitter. This morning when I traced the coax from the TV to the wall and pulled the plate off, there was already a splitter connected. It appears it is splitting the main cable to the house and sending one side to the TV and the other upstairs. Can I use a 3-way splitter? Or will be signal be even worse?

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For every splitter your adding, your halfing, or removing about 3.5db. Alot of it will depend on what the signal is coming in from the street, but in general adding a modem behind two splitters is a bad idea. Try hooking it up how ever you wish, and then going to the modem 192.168.0.1 webpage (user:admin pw:password) and then go to "Connection Status" screen. For more info, see page 6,7,22 of manual. See what your signal levels are before and after. You can post them here if you want and we can see if the signal will be good enough for effective service.

Also keep in mind, you usually want the router in the center most of the house for optimal wireless range. So you  may also want to compare that from the two locations.

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pcilex

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Health Edge said:

For every splitter your adding, your halfing, or removing about 3.5db. Alot of it will depend on what the signal is coming in from the street, but in general adding a modem behind two splitters is a bad idea. Try hooking it up how ever you wish, and then going to the modem 192.168.0.1 webpage (user:admin pw:password) and then go to "Connection Status" screen. For more info, see page 6,7,22 of manual. See what your signal levels are before and after. You can post them here if you want and we can see if the signal will be good enough for effective service.

Also keep in mind, you usually want the router in the center most of the house for optimal wireless range. So you  may also want to compare that from the two locations.

Thanks. That's not the correct user manual, though. what we have is the combined wifi modem router, not just the gateway, so it needs to be downstairs. Thank you for your help.

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pcilex said:
what we have is the combined wifi modem router, not just the gateway,

A wifi modem router is called a gateway. I just thought you had the CG3000 and not the C3000. So you would want page 19 of this manual. And I understand the gateway needs to be downstairs, I was just stating that will change the wireless coverage for your other devices as FYI.

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pcilex

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Yeah, well as you can tell I'm an idiot, lol. Anyway!, yes the PC is wireless but I was afraid that if i disconnected our current modem and router and connected the new gateway upstairs we'd still have the same poor connection issues. From what i can tell, the cable in our condo is daisy chained -

Main Cable Downstairs

Splitter A [Downstairs]: 1. TV 2. Upstairs 

Spitter B [Upstairs Office]: 1. TV 2. Modem

We've also got a TV in the bedroom but without moving the dresser and taking the wall plate off, I have no idea where that connection splits from. COX set it all up when they did our whole house DVR.

i just thought that the closer to the main line the better, hence moving downstairs. I am not feeling confident, as you can tell, so i'm just trying to educate myself just enough to be dangerous, I'm sure.

Thanks for entertaining my dumb questions. :0)

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