I have a house that is 4/10's of a mile from my main building that needs coverage. I was told that I could get coverage out to that house by placing a 13.5 dBi Yagi antenna on an Access Point back at the main building and just shoot it in the direction of the house.
I was then told by someone else that the client Cards aren't strong enough to talk back to the AP at that distance, and that I needed to look at bridging instead.
You would definitely be best served by bridging this. I would recommend using the BR350's to bridge the link between the main building and the house. Keep in mind that radio line of sight is required for optimal performance.
The 13.5dBi Yagi would give you a Fade Margin of 17dB (at 11Mbps) if the client had a direct line of sight. That's pretty good, but you're probably going through walls, so more gain would be better, and the best place to add it would be at the client. An antenna in the window would work well.
More importantly, if you are talking about connecting to an existing AP, you can't just add an antenna without losing signal strength in the original coverage area.
We have an antenna that would work well at the remote site for under $50. It's 19dBi, which would give you a lot of strength back to the central site - probably enough to get to an existing AP indoors.
Transferring Crash file from standby: Login to the Active WLC in HA.
From CLI: (Cisco Controller) >transfer upload datatype crash (Cisco
Controller) >transfer upload filename (Cisco
Controller) >transfer upload mode tftp (Cisco Controller) >transfer
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