Wireless N only getting 26mbps speedtest

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zerowarz
DD-WRT Novice


Joined: 25 Apr 2011
Posts: 10

PostPosted: Fri Jul 19, 2013 5:17    Post subject: Wireless N only getting 26mbps speedtest Reply with quote
Just installed dd-wrt on my Belkin F7D8301 v1 (dd-wrt v24-sp2 (03/25/13) mini).

Trying to get wireless to work properly, or maybe my expectations are wrong. Have cable modem hooked up to router. A wired connection via speedtest says 50mbps down/10mbps upload, which maxes my comcast connection as advertised (Blast).

Wireless, however, is maxing out download at 26mbps/10mbps upload.

Looking at the wifi properties/status, it says the Rate is 300mbps. So why am I only getting 25? Shouldn't I be getting 50 over N?

Wifi settings w/dd-wrt:
wl0: NG-Mixed
Channel: Auto
Width: 20mhz
ACK: 2000

wl1: N-Only (5 Ghz)
Channel: Auto
Width: 40mhz (tried Auto, as well)
ACK: 2000

The laptop (Dell D630) has an Intel 4965AGN wifi card. My phone, Droid Razr M also speed tests at 26mbps. iPad same thing.
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FlyHigh
DD-WRT User


Joined: 09 Aug 2011
Posts: 275

PostPosted: Fri Jul 19, 2013 14:15    Post subject: Reply with quote
Use inSSIDer to see if you're not polluted by your neighbours...
zerowarz
DD-WRT Novice


Joined: 25 Apr 2011
Posts: 10

PostPosted: Fri Jul 19, 2013 23:39    Post subject: Reply with quote
Of course theres others around.. but yes I've used inSSIDer to find good channels.

I had the laptop getting 40mbps/10mbps, but now its back to 26mbps/10mbps again and I didn't change anything. Wireless is driving me nuts.. its so inconsistent but I have to believe that I have settings wrong somewhere.

Any experts/ideas?

Have even tried disabling radio 0, setting radio1 to N-Only 5ghz
FlyHigh
DD-WRT User


Joined: 09 Aug 2011
Posts: 275

PostPosted: Sat Jul 20, 2013 7:25    Post subject: Reply with quote
Why are you using mini build?
Install 21676 big :
ftp://ftp.dd-wrt.com/others/eko/BrainSlayer-V24-preSP2/2013/05-27-2013-r21676/broadcom_K26/
zerowarz
DD-WRT Novice


Joined: 25 Apr 2011
Posts: 10

PostPosted: Sat Jul 20, 2013 17:59    Post subject: Reply with quote
Dunno, cause I don't need the other features? is there a reason NOT to use mini?

According to router database, this would be the right file: dd-wrt.v24-21061_NEWD-2_K2.6_big.bin.. think yours is newer though
SHoTTa35
DD-WRT User


Joined: 09 May 2011
Posts: 243

PostPosted: Sat Jul 20, 2013 18:33    Post subject: Reply with quote
26Mbps is over 5Ghz network or 2.4?

If over 2.4Ghz then it might just be congestion in the area. inSSIDer will only show you other wifi access points. It wont show you Bluetooth, baby monitors, wireless mouse/keyboards/cameras/garage door openers, door bells, speakers, none connected devices but that are scanning,etc, etc. There's plenty more in 2.4Ghz than just wifi.

If over 5Ghz then check if ANY QoS settings are on that might only affect wireless devices?
Lightsword
DD-WRT User


Joined: 24 Feb 2010
Posts: 109

PostPosted: Tue Sep 10, 2013 8:30    Post subject: Reply with quote
This might be the problem:
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=176395
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