5GHz wireless on Ubuntu

Jim Byrnes jf_byrnes at comcast.net
Tue Nov 18 18:03:28 UTC 2014


On 11/18/2014 11:52 AM, Nils Kassube wrote:
> 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
>
>

Nils, thanks for your efforts, will keep me from wasting anymore time on it.

Regards,  Jim




More information about the ubuntu-users mailing list