Connecting an outdoor omni to a router with 3 antenna

ajdgilbert · Apr 17, 2015

I am presently using TP-WR1043ND router wired as a secondary AP on the
second floor of my house. To this I would like to connect an outdoor
omnidirectional antenna to give me wifi outside for an IP camera. (I can
already get signal outside but it is not stable enough for a camera)

Before I buy the gear to do this I would like to know has anyone out there tried this, and if so what were the results?

My main concern is the fact that the router has 3 antenna and I only want to replace one of them. Will the router not like this?

cheers

bill001g · Apr 17, 2015

Unfortunately you can't really mess with the antenna on routers anymore. Even putting on 3 larger ones can degrade the service.

The modern routers actually intentional transmit multiple overlapping signals. You would think this would never work because you are intentionally interfering. This is the concept called MIMO. It has a great deal of dependency on the relationship of the antenna to each other. Things like the size and spacing are much more important than the past.

If you were to in effect remove on you would likely lose the ability of the router to run as many signals. So instead of 3 signals you would be reduced to 2.

When you look at the cost of the antenna and the costs of the microwave cable....especially if you are going some distance.... it is likely it will be about the same cost to put a outdoor AP. You can get these from engenius or ubiquiti, lots of models some in the $50 price range.

A outdoor AP is connected to your router or your secondary AP via ethernet so makes things much simpler.

ajdgilbert · Apr 19, 2015

bill001g :

Unfortunately you can't really mess with the antenna on routers anymore. Even putting on 3 larger ones can degrade the service.

The modern routers actually intentional transmit multiple overlapping signals. You would think this would never work because you are intentionally interfering. This is the concept called MIMO. It has a great deal of dependency on the relationship of the antenna to each other. Things like the size and spacing are much more important than the past.

If you were to in effect remove on you would likely lose the ability of the router to run as many signals. So instead of 3 signals you would be reduced to 2.

When you look at the cost of the antenna and the costs of the microwave cable....especially if you are going some distance.... it is likely it will be about the same cost to put a outdoor AP. You can get these from engenius or ubiquiti, lots of models some in the $50 price range.

A outdoor AP is connected to your router or your secondary AP via ethernet so makes things much simpler.

Thanks for your clear and concise answer, It can be difficult sometimes to work out what is fact and what is not when browsing.

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Connecting an outdoor omni to a router with 3 antenna

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