As roaming is more or less transparent for the device as well as backend-end server, this recommendation formulated here https://forum.iotcreators.com/topic/594/data-packet-size still applies.
K
Best posts made by Kolja Vornholt
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RE: Data packet size [Roaming]posted in Network & Coverage
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RE: LTE-M not registering in NLposted in Network & Coverage
AT+COPS=1,2,"20416" 2022-02-17T10:57:35.077Z DEBUG modem << OK 2022-02-17T10:57:38.329Z DEBUG modem >> AT+CFUN=1 2022-02-17T10:57:38.378Z DEBUG modem << OKYou turn on the radio after you perform the manual attach. This looks strange for me. Not sure whether the manual attach works in this case. Please turn on the radio (at+cfun=1) before you perform the manual attach. usually you can can choose the RAT type while doing the manual attach. That would be:
AT+COPS=1,2,"20416",77 for LTE-M on your module. Try this pls. not sure whether that works on your module.
BR,
Kolja -
RE: IPv6 can't receive any packet via m2m.public.nlposted in Network & Coverage
I can confirm the issue. I can reproduce it. The problem occurs not due to LTE-M but due to this specific APN (m2m.public.nl). @Uta will take care of this