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.

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5
votes
2answers
87 views

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 ...
0
votes
1answer
43 views

Search for a device that uses a mobile sim and that acts on a relay by ringing the sim

I am looking for a device that has an internet connection via a mobile sim. It allows owners of enabled telephone numbers to switch a relay by ringing the device sim. The system will be used to allow ...
2
votes
3answers
48 views

Accessing legacy device with RS232 over 4G Internet

I have an old device, that's located in a place where I don't have an easily accessible data connection. What I do today is I drive to where this device is located and plug a db9 rs232 serial ...
1
vote
0answers
38 views

Tracking arrival and depatures in remote locations [closed]

I am hoping for suggestions of how to track the arrival and departures of health care workers in remote locations. An idea proposed was to use some sort of a GPS tracker. Is this feasible? Any cheap ...
4
votes
1answer
51 views

remotely update a raspberry pi with limited data

What's the proper hence best way to push updates to a Raspberry-pi with a limited Mobile Data Cap (1mb/ day). My first plan was to set up a Git repository and pull files from it once a week for ...
6
votes
1answer
116 views

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 ...
7
votes
0answers
47 views

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 ...
1
vote
0answers
352 views

GPS/GSM Tracker not sending location [closed]

I bought GPS/GSM Tracker from eBay but it doesn't work and i can't get Location Steps I followed: I bought a new sim card with calls and data (checked that it working) I installed an app on my ...
9
votes
1answer
954 views

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 ...
15
votes
2answers
715 views

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 ...
4
votes
0answers
60 views

How mature is massive MIMO energy harvesting (in the 3GPP standards)?

About a year ago I attended a presentation where it was explained that a successful and thorough proof-of-concept for LTE massive MIMO had been conducted and was hopefully going to make it to into 5G1....
5
votes
0answers
84 views

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. ...
6
votes
0answers
700 views

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 ...
1
vote
0answers
101 views

IoT types of traffic [closed]

What are the types of traffic (bulk, burst, asynchronous, ...) that we can observe between IoT devices and clients (or base stations/collectors)? Can we find a survey on this subject? I am also ...
7
votes
1answer
563 views

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. ...
8
votes
1answer
251 views

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 ...
1
vote
0answers
119 views

Are there anybody use Android based 4G module [closed]

Are there anybody who used android based 4G module, I have found out a 4G module based on Android system and support 2nd develop, which means we can use the application processor on there module and ...
8
votes
1answer
380 views

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 ...
10
votes
2answers
158 views

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-...
7
votes
2answers
2k views

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 ...
7
votes
2answers
139 views

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 ...
8
votes
1answer
118 views

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 ...
28
votes
2answers
1k views

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 ...