Missing enum? "Get RF Band Information" (0x0031) / "Bandwidth List" (0x12) -> Value 9

Martin Maurer martin.maurer at mmeacs.de
Wed Feb 19 12:25:20 UTC 2025


Hello,

first many thanks for all the answers on my previous questions. They 
were very helpful!

I just got an answer on the following request:

qmicli --verbose-full -p -d /dev/cdc-wdm0 --device-open-qmi 
--nas-get-rf-band-info


<<<<<< QMUX:
<<<<<<   length  = 48
<<<<<<   flags   = 0x80
<<<<<<   service = "nas"
<<<<<<   client  = 4
<<<<<< QMI:
<<<<<<   flags       = "response"
<<<<<<   transaction = 1
<<<<<<   tlv_length  = 36
<<<<<<   message     = "Get RF Band Information" (0x0031)
<<<<<< TLV:
<<<<<<   type       = "Result" (0x02)
<<<<<<   length     = 4
<<<<<<   value      = 00:00:00:00
<<<<<<   translated = SUCCESS
<<<<<< TLV:
<<<<<<   type       = "List" (0x01)
<<<<<<   length     = 6
<<<<<<   value      = 01:0C:FA:00:DE:93
<<<<<<   translated = { [0] = '[ radio_interface = '5gnr' 
active_band_class = 'nr5g-1' active_channel = '37854' ] '}
<<<<<< TLV:
<<<<<<   type       = "Extended List" (0x11)
<<<<<<   length     = 8
<<<<<<   value      = 01:0C:FA:00:DE:93:06:00
<<<<<<   translated = { [0] = '[ radio_interface = '5gnr' 
active_band_class = 'nr5g-1' active_channel = '431070' ] '}
<<<<<< TLV:
<<<<<<   type       = "Bandwidth List" (0x12)
<<<<<<   length     = 6
<<<<<<   value      = 01:0C:09:00:00:00
<<<<<<   translated = { [0] = '[ radio_interface = '5gnr' bandwidth = 
'(null)' ] '}

[/dev/cdc-wdm0] Successfully got RF band info
Band Information:
         Radio Interface:   '5gnr'
         Active Band Class: 'nr5g-1'
         Active Channel:    '37854'
Band Information (Extended):
         Radio Interface:   '5gnr'
         Active Band Class: 'nr5g-1'
         Active Channel:    '431070'
Bandwidth:
         Radio Interface:   '5gnr'
         Bandwidth:         '(null)'


I assume the value 0x00000009 is the bandwidth in "Bandwidth List" 
(0x12)? It looks like value 9 has no enum?

But I am sorry, I can't tell yet what value 9 means...

It was outputted by a Quectel RG255C-GL (in 5G SA mode):

(model name is special, wrong, not final, I don't know, look curious...)

# qmicli -p -d /dev/cdc-wdm0 --device-open-qmi --dms-get-manufacturer
[/dev/cdc-wdm0] Device manufacturer retrieved:
         Manufacturer: 'Quectel'
# qmicli -p -d /dev/cdc-wdm0 --device-open-qmi --dms-get-model
[/dev/cdc-wdm0] Device model retrieved:
         Model: '334'
# qmicli -p -d /dev/cdc-wdm0 --device-open-qmi --dms-get-revision
[/dev/cdc-wdm0] Device revision retrieved:
         Revision: 'RG255CGLABR01A08M4G'
#

Best regards,

Martin



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