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I am planning to buy TP-LINK ADSL wifi router (model TD-W8151N) for my Internet connection which provides Internet through ADSL telephone line. I am also planning to take cable internet in a few months which provides internet through a LAN cable without the need of any modem.

So I would like to have my modem work for both connections which I am using. When using cable internet I want this TP-Link modem to work just as a wireless router (so that I can have the freedom to use my laptop in different rooms instead of sitting at a place by plugging in that cable). Is it possible to use this modem in that way?

I don't have much knowledge about these things except that I can configure things as instructed. Please suggest me whether I should go ahead and buy this one or if there is any other modem in your view which can serve both my purposes, let me know.

Operating System I am using: Windows 7

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Most (if not all) ADSL modem + wireless router units cannot be used as just as a wireless router: there is no WAN port. See similar Q/A superuser.com/questions/387188/… . Also, not needing a cable modem for "cable internet" seems questionable. Also, one (home/consumer grade) router cannot handle two internet connections. –  sawdust Apr 1 '12 at 23:14

2 Answers 2

The TD-W8151N does not have an Ethernet port on its WAN side, so you can't use it to route with anything but ADSL.

You will get a better answer if you explain what you're actually trying to do. Do you have two Internet connections that you use regularly? If so, why? What is the effect you want?

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cost cutting, try to make 2 hybrid devices work as a single separate device each time –  Sathya Apr 2 '12 at 4:30

I am having ADSL internet connection at present and for that I need an ADSL modem/router. Right now normal cable internet is not available at my place, but after 3-4 months the service is being started. Once the cable internet is available I won't be using ADSL internet. That's why I want to buy a ADSL modem/router which can be useful to me even after I take cable internet. I have used this cable internet service in a nearby place and they provide internet through the LAN cable and we have to just plugin that cable in the ethernet port of the laptop(no need of any separate modem). After I take cable internet, I want to use my ADSL modem just as a wifi router whereby I can connect the LAN cable to it and access internet on my laptop through wifi. Can you provide me details of any ADSL/modem routers which can also be used as just wifi routers with cable internet (TP-link preferred bcoz I've heard that it's good and is low priced too). I don't want to buy one modem now and another router later on - that's why I want to buy a single modem/router which can serve my purpose now and later on also.

Please let me know if I am not clear about anything.

Edit: Do you mean to say that the ADSL modem/routers which have ethernet port can also work as just wifi routers?

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