ASUS RT-N16 aftermarket antenna configuration

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Gunn
DD-WRT Novice


Joined: 30 Nov 2006
Posts: 24

PostPosted: Wed Sep 03, 2014 18:54    Post subject: ASUS RT-N16 aftermarket antenna configuration Reply with quote
I purchased a TP-Link TL-ANT2424B 2.4GHz 24dBi directional grid parabolic antenna to use on my RT-N16 router running DD-WRT, to extend the range of my network to a location about 500ft. away.

This router has 3 antennas...how should I configure the router to maximize my range with this antenna? Should I replace the center OEM antenna wth the parabolic antenna? Should I remove the other OEM antennas?

Surely it shouldn't be required to purchase 3 of these big antennas to see a benefit to the range...even thought that may be ideal.

Thanks,
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MrAlvin
DD-WRT User


Joined: 07 Jan 2007
Posts: 457
Location: Denmark

PostPosted: Thu Sep 04, 2014 2:17    Post subject: Reply with quote
hmmm... good question, and actually I have no clue, I would however think that the 'system' is smart enough to use the antenna that gives the best signal.

It is my impression that n-mode WiFi makes use of all three antennas, and also makes use of the signal difference between the antennas.

With only one antenna in actual use (the parabolic antenna), you may benefit from using G-mode only, so the system will not keep testing to see if it can establish a better link, using N-mode.


Just my 2 cents.
DoesItMatter
DD-WRT Guru


Joined: 10 May 2008
Posts: 1380
Location: Pacific North West, USA

PostPosted: Thu Sep 04, 2014 16:25    Post subject: Reply with quote
It's been a while, but there should be some old posts on this.

I thought the middle antenna on the RT-N16 wasn't really used.

I believe you have to replace the 2 end ones, but you should replace all 3.

I replaced all 3 of mine with 7-dbi panel directional antennas and they work great.

I've also used 3 - 9-dbi omni antennas as well and those were good too.

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Gunn
DD-WRT Novice


Joined: 30 Nov 2006
Posts: 24

PostPosted: Fri Sep 05, 2014 0:21    Post subject: Reply with quote
DoesItMatter wrote:
It's been a while, but there should be some old posts on this.

I thought the middle antenna on the RT-N16 wasn't really used.

I believe you have to replace the 2 end ones, but you should replace all 3.

I replaced all 3 of mine with 7-dbi panel directional antennas and they work great.

I've also used 3 - 9-dbi omni antennas as well and those were good too.


Thanks guys. I have done a lot of searching on this subject, but nothing definitive. I did read one post that said the middle one was the least used also...but just that one post and not confirmed. Haven't found anything definitive.

I've tried use the parabolic antenna in the center, and two OEM on the sides, and just finished a day of testing with no side antennas at all. No real difference. I think my problem was the WiFi instability of the DD-WRT kingkong 22000 build I put on the router the other day. For no apparent reason, the WiFi signal will instantaneously lose a bunch of strength. Then at a random time, it will pop back up.

Going to try another build and see if it gets any better.
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