Advice on buying a wireless router that receives its signal wirelessly, not via ethernet.

My client needs a wireless router that gets its signal from another router.   The modem and first router is in building #1.  Around fifty feet away is a second building.  I need a router (or whatever these are called) that can pick up the signal from router #1 and transmit that signal via both ethernet and wirelessly to computers in building #2.  

It should be well made.  The customer had a gaming adapter that did this (with only one ethernet port for output) but that recently failed.  This will replace it.  It gets hot and humid in the attic of building #2 so it should be well made and give as strong a wireless signal as possible.  It should also have a good antenna so it can pick up a strong wireless signal from the sending router.

Do you have any suggestions as to makes and models that might fit this description?  The primary computer runs Windows XP - though that's probably not relevant.

Alan SilvermanOwnerAsked:
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Matt VCommented:
You want an access point that act as a bridge.

Look at the Cisco 1600 series.  They come with a limited lifetime warranty.

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You mean a range-extender or repeater.

I use the netgear wn2000rpt and am quite happy with it. Whether it will run properly in your environment depends on the environment. For it to connect properly with your main router there shouldn't be too many obstructions between the two, like walls, trees etc. Best is to have direct line of site.
Craig BeckCommented:
Things to consider when using a Cisco AP this way (which is a good suggestion though by the way)...

1] You can only use one frequency to make the link to the main AP.  This means the other frequency can only be used to accept client connections.  This might sound like a plan at first but if your main AP is 2.4GHz only and your clients are 2.4GHz only, this won't work.

2] You must use the Cisco AP in Universal Workgroup Bridge mode.  This is the only way a Cisco AP can associate to a non-Cisco AP.  There is a large caveat with this though - you can only connect ONE wired client to the Ethernet port.

3] You can't use VLANs in this scenario - the AP will only pass traffic on VLAN1.
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You need two radios to do this.
Either one box with two 2.4GHz radios, or two boxes.

A simple way would be to use two WIFI-bridges, and one ethernet switch inbetween. Each of those would probably not cost more than €50.

Make sure the two 2.4GHz radios does not use the same radio channel, since that would cause interference.
What is the existing wireless router?
What equipment do you have on hand?
Alan SilvermanOwnerAuthor Commented:
Since I'm not onsite I will answer these questions the best I can.

1. There’s a clear line of site. The modem and router #1 are in a greenhouse.  The router is at the peak of the greenhouse pointing to building #2, which is in the attic of another building where the customer’s main business is located.  

2.      In answer to Arnold’s questions:
        A. What is the existing wireless router?

       I’m not sure.  If it’s really important I can call the owner and he’ll climb up to the
       peak of the greenhouse. But I’d rather not as he has a business to run.  

       When I went up to the attic of building #2 yesterday with my laptop I got a strong
       signal, 10 GB download and 1 GB upload, just about as strong as what was coming
       direct from the modem.  By the way, the first thing I tried was a powerline router, but
       there are two electric boxes, so that didn’t work.

      On the client side he has his business computer in his office, linked by a 100 ft
      ethernet  cable. He would like to offer wireless to his customers, so it would be nice if
      the router we buy has guest user access.  
       B. What equipment do you have on hand?

       I have a ton of stuff in my basement.  Routers of all types, ethernet cables of all
       lengths… But what I’d like is a fairly simple all-in-one solution, something I could order
       off Newegg/Amazon/Tiger… and the owner’s son-in-law (who knows something about
       computers and networking) could go up in the attic, plug it in and I could then
       configure it via logmein on the office computer.

My customer would like to spend under $150 if possible. It would be nice to get something pretty solid.  The prior setup, the old gaming adapter in the attic linked to a router – that worked fine until it died.  The heat and humidity probably did it in.  

Is that the information you need?

I would recommend you check out the DD-Wrt  and Tomato projects combine either of these in "Client" mode with the right Linksys WRT router and you have a great bridging solution for well under $100.00.
Since there is a Wire into the office, using a business type of wireless router I.e. cisco aironet.
Or combination from cisco that include signal boosters/repeaters.
This type can be configure with vLANs to isolate the guest from his business systems.

If they have a set of workstations on which freeradius can be setup along with a proxy server to limit/control/manage access.
I.e. a new client connection is routed to an internal page where the user has to fill out forms requesting access rights, etc.
Alan SilvermanOwnerAuthor Commented:
I think the Securifi Almond should fit the bill.  What do you think?
Craig BeckCommented:
If you just used a wireless gaming adapter previously, just use a cheap wireless bridge such as this...
Alan SilvermanOwnerAuthor Commented:
Thanks for all the good advice and have a nice labor day.
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