Looking for a modem?

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kccp

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Jun 16, 2013
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Hi Everyone. My parents had asked me to look up something I am a little unsure about. So I thought I would come here.

So Here is the scenario

My parents own a 3 floor apartment building. They have internet down on the first floor. They would like a modem upstairs that they can plug directly into through Ethernet. So I am looking for, if they make something like this. A Modem that can connect via wifi, but also be an access point? I know the modem I have broadcast wifi. I need one that can connect to the wifi downstairs without running and ethernet down to first floor.

So I kind of understand what needs to happen. But I do not buy this kind of hardware. We dont want to spend anymore then we have to. Does anyone a little more familiar with this situation have any suggestions?
 
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spiketheaardvark

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Apr 14, 2009
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A modem is not really what you are looking for (technically a modem takes analog signal like over a phone line and converts it to digital think old school dialup. Whether a cable modem is really a modem is a discussion for another time).

What you want is a wireless bridge. Many wifi ROUTERS can function as a wireless bridge. My Asus 65N has the option. A router flashed with something like openWRT or tomato will also work. When set in bridge mode (or whatever the vendor decides to call it) the router connects to wifi as a client and connects the ethernet ports to that network. I'm not sure if it can be used to extend the range at the same time. They have dedicated wireless bridges but there is nothing special about them; they're just overpriced routers with the right software. There is some extra config work you will need to do like turn off the DHCP on the router functioning as the bridge. Given the better antennas and extra power, two routers will usually get a better signal than a router to a client (tablets and phones have very weak wifi gear).


 
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spiketheaardvark

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Another alternative is wireline adapters. You plug one in downstairs and one upstairs and they'll connect through the house wiring. I've never used them. My understanding is results can be mixed. Price would be compared to getting a good router capable of functioning as a bridge.
 
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spiketheaardvark

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