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I have an arris cable router that supports both 2.4 and 5 GHz bands, I used tools to find out which channel for each I should be using in my case it is cannel 1 for the 2.4 and channel 44 for the 5. On wifi i get a down speed of about 108 Mbps and an up rate of about 18 Mbps for both the 2.4 and 5 GHz as they are configured to be using open channels for my area, but when i switch to an ethernet connection my down speed suddenly spikes to 198 Mbps and upload remains about the same. Is there a way to configure this is my router? If it helps my router model is DG1670 by Arris.

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Last Post by rproffitt
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But what WiFi is that? 802.11n, g, ac, ??? And what about the ODFM?

Finally, given WiFi Channels (google that for the Wikipedia) isn't 1 or the highest channel a bad idea?

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Sorry forgot to mention, it is A/N mixed, should I do just N? As for ODFM I don't know what that is entirely I wikid that and don't know calculus but digging into the router i found this table

DCID Freq Power SNR Modulation Octets Correcteds Uncorrectables
Downstream 1 136 699.00 MHz 0.80 dBmV 38.61 dB 256QAM 178222973 89 113
Downstream 2 129 657.00 MHz 2.30 dBmV 37.64 dB 256QAM 184823939 121 144
Downstream 3 130 663.00 MHz 1.20 dBmV 38.61 dB 256QAM 163616277 91 120
Downstream 4 131 669.00 MHz 0.80 dBmV 37.64 dB 256QAM 185376042 54 6
Downstream 5 132 675.00 MHz 0.50 dBmV 37.64 dB 256QAM 184421200 0 0
Downstream 6 133 681.00 MHz 1.00 dBmV 37.64 dB 256QAM 185125212 51 0
Downstream 7 134 687.00 MHz 1.00 dBmV 37.64 dB 256QAM 184419524 34 0
Downstream 8 135 693.00 MHz 1.20 dBmV 38.98 dB 256QAM 177145876 146 108

dont know if it helps I'm sorry.

Edited by commando1200: labled table

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If you don't have 802.11a gear, that's a good move. As to OFDM, you can read the Wikipedia on WiFi Channels to see that plus see why channel 1 and top are poor choices.

While you're there, how many non-overlapping channels are there in 802.11n 40 OFDM?

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the 2.4 using channel 1 is used as a guest network for company they can log in without a password and have been isolated from seeing each other and even accessing the router whereas the 5 only myself and gf have the password is channel 44 as i said before just because my router defaulted there when it detected that there were no other 5GHz networks in range availible non-auto options are 36, 40, 44, 48, 149,153, 157, 161, 165. After taking a rather long walk down the street i could discover no other networks that went above channel 11 except for one about a quarter mile away on channel 161. As for channel bandwidth I only have the option for 20 or 20/40 MHz it was defaulted to 20/40 MHz so I really don't know and the guard interval on those is 400 and 800 ns or Auto (default)

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I take it you didn't read the noted material. For a test run, try 20 for OFDM. And let's hope you figure out what I don't set these to channel 1.

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