5GHz wireless on Ubuntu

[Nils Kassube]

Jim Byrnes wrote:
> On 11/17/2014 11:47 PM, Nils Kassube wrote:
> > Jim Byrnes wrote:
> >> I have a dual band Linsys 4200E router. On laptops running 12.04 on
> >> one and 14.04 on the other I can connect at 2.4GHz but not 5GHz.
> >> There are 3 android devices in the house that can connect to the
> >> 5GHz
> >> so I know it is working.
> >> 
> >> Is there some way to find out if the cards/drivers are capable of
> >> 5GHz under Ubuntu?
> > 
> > The command
> > 
> > iw phy0 info
[..]
> The output was over 125 lines so I cut it.

Thanks. :)

> I think the relevant part
> is that it only mentions Band 1:.  I can post the entire thing if you
> feel it is relevant.

That wouldn't help.

> jfb at jim-Satellite:~$ sudo lshw -C network
[...]
>    *-network
>         description: Wireless interface
>         product: RTL8188EE Wireless Network Adapter
>         vendor: Realtek Semiconductor Co., Ltd.
>         physical id: 0
>         bus info: pci at 0000:05:00.0
>         logical name: wlan0
>         version: 01
>         serial: 64:5a:04:81:74:a7
>         width: 64 bits
>         clock: 33MHz
>         capabilities: pm msi pciexpress bus_master cap_list ethernet
> physical wireless
>         configuration: broadcast=yes driver=rtl8188ee
> driverversion=3.13.0-39-generic firmware=N/A ip=192.168.1.127
> latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
>         resources: irq:32 ioport:2000(size=256)
> memory:f2800000-f2803fff

I think the important part is "wireless=IEEE 802.11bgn". If it was 
capable of 5GHz, it should be "wireless=IEEE 802.11abgn". And that it is 
only "bgn" is confirmed by several results from a web search for 
"RTL8188EE".


Nils