. Wireless card is an Intel wifi link 5100 which, according to Intel is capable of up to 300 Mb/s. It has two aerials. iwconfig gives:Up to 300Mbps at 5GHz & 54Mbps at 2.4GHz
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wlan1 IEEE 802.11abgn ESSID:"xxxxxxxxx"
Mode:Managed Frequency:5.18 GHz Access Point: xx:xx:xx:xx:xx:xx
Bit Rate=150 Mb/s Tx-Power=13 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Link Quality=67/70 Signal level=-43 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:395 Invalid misc:145 Missed beacon:0
(essid and mac address hidden by me). Note the bit rate 150Mb/s.
The router is in the same room as the computer, just a few feet away, with nothing in between (except me possibly, but even when I move it makes no difference). Router firmware up to date, and using iwlwifi driver, also up to date, so why only half the maximum possible speed?
If you google this problem you will see that the answers given usually relate to 'channel bonding'. I can categorically state that there are no such options in my router configuration panel, so that is not the answer for me.
Anybody got any ideas.
BTW I get the same result on Ubuntu (150Mb/s max) but even worse on Manjaro (72Mb/s max). I cant explain the difference there.
Another note, on my old laptop (which is in another room with a wall in between) I have seen signals up to 165Mb/s which is surprising although still a long way from 300. Incidentally the old laptop is using the iwl4965 driver so maybe that makes a difference?