Changes between Version 23 and Version 24 of expansion/gw16126


Ignore:
Timestamp:
05/20/2019 05:22:19 PM (7 months ago)
Author:
Ryan Erbstoesser
Comment:

add at command section and nb-iot

Legend:

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  • expansion/gw16126

    v23 v24  
    9999''' Note, because this modem uses raw-ip, the IP from the provider will not automatically be applied to the interface. The provider will give an IP and then it must manually be applied to the wwan0 interface.'''
    100100
     101==== AT Commands ====
     102
     103AT Commands are supported on one of the /dev/ttyUSB lines.
     104
     105* [https://www.u-blox.com/sites/default/files/SARA-R4-SARA-N4_ATCommands_%28UBX-17003787%29.pdf u-blox SARA-R4/N4 series AT Commands Manual, Doc. No. UBX-17003787]
     106
     107Radio Access Technology (RAT):
     108 * R4 Series of Ublox Modems support NB-IoT and Cat-M1 and are enabled default. NB-IoT hasn't spread much in the USA so turning that off can speed up connections to CAT-M1
     109{{{
     110AT+URAT? # Query the radio access technology; 7 = Cat-M1, 8 = NB-Iot, 7&8 = both
     111AT+URAT=7 # Cat-M1 only
     112AT+URAT=8 # NB-IoT only
     113AT+URAT=7&8 # both
     114}}}
     115
     116Operator selection:
     117{{{
     118AT+COPS?  #is to check what network currently on
     119AT+COPS=? #is to check what networks are available
     120+COPS: (1,"311 480","311 480","311480",7),(2,"AT&T","AT&T","310410",7),(1,"313 100","313 100","313100",7),,(0,1,2,3,4),(0,1,2)
     121AT+COPS=1,2,"310410" #sets to AT&T
     122AT+COPS=1,2,"311480" #sets to verizon
     123AT+COPS=0,0 #To go back to automatic carrier selection (which is typically recommended)
     124}}}
    101125
    102126