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Connecting 2 buildings

Hi there, I'm a newbie to this forum. Its a great source for me. Unfortunately, I was looking through the forums trying to find one that best suits my situation but couldn't find one. So, here's my scenario. We're a small construction business company with about 20 employees currently. We just aquired another building that's about 100m away from our main office. At our main office, we have a small network consisting of routers, servers, cable modems and a Dlink wireless access points used for our management people with their laptops. Our goal is as follows: To link the new building back to the main office wirelessly! There's currently no infrastructure at the new location so we'd like to setup a wireless access point outside the main office pointing to the new office (100m away - clear line of site) and then have the users from the new office connect back to the main office. I know from reading online forums that its possible, I just need to know what cisco equipment I need to purchase to accomplishe this? Our IT budget is not one of a big corporation, so we're limited in that sense. Any help would be greatly appreciated? Thanks

Hall of Fame Super Gold

Re: Connecting 2 buildings

Firstly you need a pair of APs and corresponding point-to-point antennae.

You'll need an AP that can support external antennae.  This boils down to the 1250.  I'm not going to recommend the 1260 because it does not (yet) support autonomous IOS.

Next, you'll need antennae.  AIR-ANT5114P (5Ghz, high-gain, wall-mounted patch) or  AIR-ANT1949 (2.4Ghz, high-gain, mast mount) antennae could be a candidate.

Have a look at their description here:

When you have need to know their signal footprint, have a look at here:

To configure wireless point-to-point bridge, have a look at here:

Wireless Bridges Point-to-Point Link Configuration Example

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