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    FiPy, NB-IoT, 1nce/ Telekom.de germany: fails, no band 8 support?

    Scheduled Pinned Locked Moved FiPy
    fipynb-iotband8lte
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    • robert-hhR Offline
      robert-hh @Dom
      last edited by robert-hh

      @dom With the November modem firmware NB1-40343 and a 1nce card my devices get connected. Band=8, EARFCN=3740, Python firmware 1.20.0.rc7.
      The first attach took like forever, like 10 minutes, but then it was OK. It takes like 10 seconds after a colde boot to attach. Still way worse than a SIM7020 modem I have, which attaches in less than a second, after is had the initial attach once.

      B 1 Reply Last reply Reply Quote 1
      • T Offline
        tvetter1976
        last edited by

        Do I really have to send all my divices back to Pycom, if I like to use band 8? Robert are you living in Germany? Have you experience with the network coverage of (1nce) NB-iot? I will maybe buy some cards from Telefonica, because they also support roaming for the Vodafone and the Telekom network in addition to the Telefonica network.

        robert-hhR T 2 Replies Last reply Reply Quote 0
        • robert-hhR Offline
          robert-hh @tvetter1976
          last edited by robert-hh

          @tvetter1976 From what I learned from the discussion, the device have to be returned to Pycom. Whether they are upgraded or replaced, I cannot tell.
          And yes, I live in Germany, but never tried to use the device outside my home. That is still on my list. I could try to get information about the coverage.

          1 Reply Last reply Reply Quote 0
          • B Offline
            bqpd @robert-hh
            last edited by

            @robert-hh

            Hi, am also trying to get a 1nce SIM card running here in germany.
            I tried the "normal" way as the pycom documentation suggests:

            from network import LTE
lte = LTE()
lte.attach(band=8, apn="iot.1nce.net")

            but even after 15 minutes i couldn't get any result.
            I also tried to connect via AT commands

            lte.send_at_cmd('AT+CGDCONT=1,"IP","iot.1nce.net"')
lte.send_at_cmd('AT+CFUN=1')
lte.send_at_cmd('AT+COPS=1,2,"26201",9')

            and the "custom" commands like lte.send_at_cmd("AT!=\"RRC::addscanfreq band=8 dl-earfcn=3740\"")

            So far neither of the approaches did work for me.
            Could you please describe what exactly you did to get a working connection?

            Thanks a lot!

            robert-hhR 1 Reply Last reply Reply Quote 0
            • robert-hhR Offline
              robert-hh @bqpd
              last edited by robert-hh

              @bqpd That is a short script which works:

              #
from network import LTE
import time

lte = LTE()
lte.attach(band=8, apn="iot.1nce.net")
while not lte.isattached():
    time.sleep(0.5)
    print(".", end="")

print("\nAttached!")

print(lte.send_at_cmd("AT+CSQ"))

lte.connect()       # start a data session and obtain an IP address
while not lte.isconnected():
    time.sleep(0.5)
    print("-", end="")

print("Connected!")

              The value returned by AT+CSQ is 25,99, which indicated a good reception. As antenna I use a quarter-wavelength 868 MHz antenna, which I tested to work well enough up to the LTE band 8 frequency. The Pycom Lora antenna should be fine too.

              B A T 3 Replies Last reply Reply Quote 0
              • B Offline
                bqpd @robert-hh
                last edited by

                @robert-hh Thanks a lot! I will test it soon. Maybe i should also try it in a larger city to minimize the risk of net availability issues.

                1 Reply Last reply Reply Quote 0
                • A Offline
                  Andy_N. @robert-hh
                  last edited by

                  @robert-hh
                  today i was able to try this script. I updatetd the firmware to MicroPython 1.20.0.rc1 and the sequans firmware updatetd with "upgdiff_33080-to-40343.dup" on my GPy successfully.
                  I inserted the 1nce SIM and tried your script with connected pycom LTE-antenna via Atom shell in Munich.

                  Unfortunately i wasnt able to attach... i tried several times, each for 45 min but nothing happend.

                  Any idea what can be wrong? What else i can try?

                  Thanks

                  robert-hhR 1 Reply Last reply Reply Quote 0
                  • robert-hhR Offline
                    robert-hh @Andy_N.
                    last edited by

                    @andy_n I do not recall if you have a FiPy module refurbished by PyCom for BAND=8 support. If not, the software may accept the setting, but it will simply not work. You can query the list of supported bands with:
                    from network import LTE

                    lte = LTE()
lte.send_at_command('at!="RRC:showcaps"')

                    It should return something like:

                    == CAPS config =============================
  .Lock UE on SRV band    : false
  .MFBI support           : true
  .TM8 TDD support        : false
============================================
== CAPS ====================================
  . access stratum: R13
  . catM          : 1
  . nb-IoT        : 1
-- EUTRA bands --
  . supported     : 28/20/13/12/8/5/4/3
  . board         : 3/4/5/8/12/13/20/28
  . admin         : 
  . pending admin : 
-- EUTRA carriers --
  . admin         : 
  . pending admin : 
============================================
OK
                    1 Reply Last reply Reply Quote 0
                    • J Offline
                      Joop Susan
                      last edited by

                      @robert-hh Showcaps does not work for me.

                      >>> from network import LTE
>>> lte = LTE()
>>> lte.send_at_cmd('at!="RRC:showcaps"')
'\r\nNo permission to use the RRC private debug CLI\r\n\r\nOK\r\n'
>>>

                      I also have the problem that I can't connect on band 8 on an upgraded GPy.

                      What other way is there to see if the firmware supports band 8?

                      See: T-Mobile NB-IoT in the Netherlands?

                      1 Reply Last reply Reply Quote 1
                      • J Offline
                        Joop Susan
                        last edited by

                        Found solution for showcaps rejection from another thread.

                        >>> from network import LTE
>>> lte = LTE()
>>> print(lte.send_at_cmd('AT!="RRC:setDbgPerm full"'))
OK
>>> print(lte.send_at_cmd('at!="RRC:showcaps"'))
== CAPS config =============================
  .Lock UE on SRV band    : false
  .MFBI support           : true
  .TM8 TDD support        : false
============================================
== CAPS ====================================
  . access stratum: R13
  . catM          : 1
  . nb-IoT        : 1
-- EUTRA bands --
  . supported     : 28/20/13/12/4/3
  . board         : 3/4/12/13/20/28
  . admin         : 
  . pending admin : 
-- EUTRA carriers --
  . admin         : 
  . pending admin : 
============================================
OK
>>>

                        So this means that this one needs to be RMA'ed?

                        robert-hhR A 2 Replies Last reply Reply Quote 0
                        • robert-hhR Offline
                          robert-hh @Joop Susan
                          last edited by

                          @joop-susan Yes.

                          1 Reply Last reply Reply Quote 0
                          • T Offline
                            tvetter1976 @tvetter1976
                            last edited by

                            I am lucky to have:

                            
>>> print(lte.send_at_cmd('at!="RRC:showcaps"'))

== CAPS config =============================
  .Lock UE on SRV band    : false
  .MFBI support           : true
  .TM8 TDD support        : false
============================================
== CAPS ====================================
  . access stratum: R13
  . catM          : 1
  . nb-IoT        : 1
-- EUTRA bands --
  . supported     : 28/20/13/12/8/5/4/3
  . board         : 3/4/5/8/12/13/20/28
  . admin         :
  . pending admin :
-- EUTRA carriers --
  . admin         :
  . pending admin :
============================================```

                            And I can confirm that it works without any SimCard inserted!

                            1 Reply Last reply Reply Quote 0
                            • A Offline
                              Andy_N. @Joop Susan
                              last edited by

                              @joop-susan
                              here the same problem, but your code worked.

                              >>> from network import LTE
>>> lte = LTE()
>>> print(lte.send_at_cmd('AT!="RRC:setDbgPerm full"'))
OK
>>>  print(lte.send_at_cmd('at!="RRC:showcaps"'))
Traceback (most recent call last):
  File "<stdin>", line 1
IndentationError: unexpected indent
>>> print(lte.send_at_cmd('at!="RRC:showcaps"'))

== CAPS config =============================
  .Lock UE on SRV band    : false
  .MFBI support           : true
  .TM8 TDD support        : false
============================================
== CAPS ====================================
  . access stratum: R13
  . catM          : 1
  . nb-IoT        : 1
-- EUTRA bands --
  . supported     : 28/20/13/12/4/3
  . board         : 3/4/12/13/20/28
  . admin         :
  . pending admin :
-- EUTRA carriers --
  . admin         :
  . pending admin :
============================================

OK

                              ok so there is no band 8 in the supported line...
                              i also need to send the boards back to geht upgraded ones...
                              Thanks a lot!

                              1 Reply Last reply Reply Quote 0
                              • T Offline
                                tvetter1976 @robert-hh
                                last edited by

                                @robert-hh
                                Can you give an example how to send data using 1nce sim card?

                                1 Reply Last reply Reply Quote 0

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