5ghz radio oddity

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162884
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Joined: 04 Feb 2016
Posts: 106

PostPosted: Sun Jul 08, 2018 2:46    Post subject: 5ghz radio oddity Reply with quote
Today I decided to break out the old WRT1900ACS v2 and flash the latest firmware DD-WRT v3.0-r36247 std (06/29/1Cool.

After flashing and booting with all the default settings, the 5ghz radio was not broadcasting. Channel was set to auto, so I changed it to manual and 36 UU+6. Download speed was terrible, so I changed it to another channel which prevented the radio from showing up. Finally used 100 UU+6 and the radio is broadcasting and speed is okay, not great.

I've been away for a good while, is there a specific channel I should use for dd-wrt on this router now for the 5ghz radio? Thanks!

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spuriousoffspring
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Joined: 05 Apr 2017
Posts: 981
Location: Louisiana, USA

PostPosted: Sun Jul 08, 2018 4:19    Post subject: Reply with quote
I use 149 + 6. I get my ISP's max download & upload speeds on all (iOS) wireless devices.
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162884
DD-WRT User


Joined: 04 Feb 2016
Posts: 106

PostPosted: Sun Jul 08, 2018 12:07    Post subject: Reply with quote
After testing several channels, I have ended up with 116 +6 as the best offer. It's pretty odd how different channels/extensions made such a huge difference in performance for me.
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