Questions tagged [mobile-data]

For questions where a mobile (or cellular) data connection is used as part of the network connectivity. Only use the tag when the question relates to aspects of the data connection.

30 questions
31
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3 answers

Intercepting web traffic going over cellular network

If you can plug a device into the wall, or use it in Wi-Fi, it's easy to see the traffic with software like WireShark. But it seems more tricky to do it with a device that uses LTE/3G or other cellular networks to communicate. If I'm worried about a…
WayToDoor
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16
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2 answers

What to choose: 2G, 3G, 4G, LTE Cat-M

For a project I'm working on we are orienting on the available mobile data connections. Because the current cellular connections are in a transition from G to LTE, I'm not sure whats the right desicion. From what I read about the 2G and 3G networks…
Jan Roorda
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12
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2 answers

Why don't we have more 3G+ modem options available?

Spiritually similar to the question here Embedded modem options Why is there such an enormous barrier to getting into something like a Snapdragon 410 with onboard LTE? After extensive research, LTE-equipped SoCs are everywhere, yet not available…
Malachi
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10
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1 answer

Data connection issues during when working with IoT devices

Following my previous question here, what are solutions to overcome issues with the data connection (i.e. data out off-quota or I'm out of coverage) during the work with my IoT devices. Especially when working tackling critical issues? This is…
Wafie Ali
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9
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2 answers

Receiving "ERROR" message from SIM800C module

Most of the commands I send to SIM800C module returns ERROR message to me. For example: If I sent AT+CSQ, it returns an expected response. One of the basics commands that doesn't worked for me is the AT+CPIN? PIN checking command. In the datasheet,…
luigiesn
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9
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2 answers

Embedded modem options

I would like to embed a simple mobile modem in my laboratory device. The capability is not really important - I want to be able to send small amounts of data and have no hard requirements on transfer speed or latency. That means that slow data is…
Bex
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9
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1 answer

3G SIM5320 support for MQTT

Looking for feedback from others who have been using the SIM53xx series modules for IoT solutions over the 3G network. I have an MQTT broker on the internet to collect data for a fleet tracking system being developed. There is a lot of information…
deandob
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9
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1 answer

UK m590e, Use GSM,GSM compact or UTRAN? (AT+COPS)

I am based in the UK. I am using an M590e module for a remote weather station. Which parameter should I use for the AT+COPS command? GSM, GSM compact or UTRAN? Which are available in the UK? Which ones will give me TCP/IP ("The internet")? Which…
9
votes
1 answer

Will using a GCF/PTCRB certified module in my design risk the device getting blocked by Network Operators?

I want to design an IoT device with cellular connectivity. It requires ~50MB upload per day at most, but with live high-frequency monitoring. I think a HSPA network will suffice. I would like for it to also be cheap (Less than $100 with global…
8
votes
0 answers

Carrier Specific Processes details

I'm looking at creating my own IoT module and want to understand the various certification processes. I've read this: Will using a GCF/PTCRB certified module in my design risk the device getting blocked by Network Operators? That post does not…
user3696153
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8
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1 answer

How do I check whether a LTE network supports CAT M1?

LTE CAT M1 is a low power communication channel for LTE networks designed for IoT use. How do I check whether a network supports it or not? Carriers' help desk does not know anything about CAT M1. That is understandable because most users don't need…
Dojo
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7
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0 answers

Mobile network on Android Things SoM?

I want to build an Android Things device that can report its location via mobile network (4G LTE, LTE-M if possible, 3G & 2G). How can I plug such a mobile modem and connect it properly down to the Android Things OS? Which Android Things boards are…
Louis CAD
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6
votes
1 answer

How does APN affect cellular connectivity?

We had recently deployed a few Cellular IoT devices on the field, using SIMs from a certain provider (Airtel India). They had provided us with an APN, but we chose not to program our device with the APN, as it was working even without it. Further,…
shivams
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6
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0 answers

How will network bootstrapping work for headless embedded-SIM IoT devices?

Is there something akin to the Wi-Fi Alliance DPP (Device Provisioning Protocol) in the world of embedded SIM?1 If so, it would be really nice to get an outline of how it would work at a high level. The use case I have in mind is soft/embedded SIM…
Chris Steinbach
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5
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2 answers

How can I transmit this information from my device using the least data possible?

I have got a Raspberry Pi setup to transmit things over socket from my project. It currently does this over cellular data on a pay as you go plan, so I would like to optimise it. All that needs to transmitted is three numbers, currently in the…
tejt
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