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[nettewurk]

I'm using inSSIDer 4 on Lenovo X61 with Intel Wireless 4965AGN.  It detected both my 2.4GHz and 5GHz SSIDs.  However, checking their maximum data rate, the 5GHz indicates 1300 but its 2.4GHz only indicates 216.7, instead of 300 or even 600 as advertised.  Checking my other access points, both my DIR-655 and DIR-636L indicate 300.  I thought that the Wireless N can give as high 600 throughput.  All of them are set to hidden SSID, maximum high rate/power setting, same encryption type and almost same location with different channel ID and 20/40 auto channel width.  Any idea why I can't obtain 600 Mbits/sec?

[FurryNutz]

Does your Wifi adapter support 600Mb connections on 2.4Ghz? If not, then this would be the reason.
http://www.intel.com/products/wireless/wireless_n/overview.htm

[nettewurk]

As said, not only 600 but I can't also get 300, only 216 unlike the other WiFi router I indicated.  The adapter's specs includes only WiFi A but the rate is 1300Mbps, how's that? 

[FurryNutz]

1300Mb on 5ghz. From the spec, this adapter only supports up to 300Mb on 2.4Ghz.

Please don't use red on the gray background.

[nettewurk]

Again, as said not 300Mbits but 216 only while for my DIR-655 and DIR-636L, all indicate 300M exactly.  For 5GHz, can't see AC support but A only with 5GHz radio frequency. But it suggests to use WiFi N to reach until 300M, and not 1300M as you indicated.

http://www.intel.com/products/wireless/wireless_n/overview.htm

Given the 655 and 636L, 880L cannot give me at par speed.  I'm not here to debate on the specs but the setting to boost my speed.  I already copied 5GB movie on all 3 WiFI access points to test and the slowest is 880L.  That is why I'm here to know on how to boost its speed if possible.  Thanks.

[FurryNutz]

There maybe interferences or something faulting with your router. If your using single mode N on either radio and can't see 300Mb, then I would phone contact D-Link support and ask them about this. Let them know that your seeing 300Mb on other routers, just no the 880L.

[nettewurk]

Thanks for the advice.  But is there a setting to MIMO N  mode in 880L?  Or the MIMO would depend on the terminal that connects to 880L?

[FurryNutz]

Depends on the client side HW and what it supports.

Test single mode N, Auto Channel Width and WPA2/AES only and see. Test at about 6 feet distance.

[nettewurk]

How could I set to single mode N?  Do I need to disable the 5GHz SSID of 880L?

[FurryNutz]

You can set single mode N on both radios...

[nettewurk]

Sorry but how to configure single mode in the router or PC?

[Hard Harry]

Depends on the client side HW and what it supports.

Test single mode N, Auto Channel Width and WPA2/AES only and see. Test at about 6 feet distance.

Looks like SNB did a review and found the 2.4 throughput at around 147Mb

http://www.smallnetbuilder.com/wireless/wireless-reviews/32500-d-link-dir-880l-ac1900-wi-fi-router-reviewed?start=3

[FurryNutz]

You configure single mode N ON the router under wireless settings.

Sorry but how to configure single mode in the router or PC?

[nettewurk]

Single mode setting means disable the 5GHz radio signal? Want to retain 2.4GHz since since most of my WiFi N devices operate at the lower frequency. Is this right?

[FurryNutz]

Both radios can operate on Single mode N at the same time.