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I am using Ublox evaluation kit with SARA-N210. The factory set baudrate is 9600 and I am trying to change it to 115200 with at+natspeed=115200, but it immediately goes back to 9600.

I read through the manual, and it says that to store at+natspeed settings, one needs to do this:

SARA-N2

  • The module must enter in any of the following mode:

o Enable the Power Saving Mode (PSM) by means of the

+CPSMS

AT command

o Reboot the module reboot by means of the

+NRB

AT command

But this doesn't help. What are the exact steps to store the new baud rate value into the NVM and make it persist?

Tarick Welling
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annabanana
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1 Answers1

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This knowledge pertains to the SARA-N300 but as this is the next gen modem it probably also holds for the N2.

It will never work, the modem is just incapable of working at higher speeds. I know this because of an interaction with UBlox support. I couldn't connect using their tool and they were like: "oh yeah, that one can't run at that speed".

Tarick Welling
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