Internet of Things Stack Exchange
Internet of Things Stack Exchange

Questions tagged [gsm]

For questions relating to the Global System for Mobile Communications (GSM) when employed for IoT applications.

Use this tag for questions that are about the Global System for Mobile Communications (GSM) when employed for IoT applications.

Consider the question check list if your question fits the tag. You can also look at the example questions. If this tag doesn't fit your question have a look below at somehow related tags that might fit your question better.

Question checklist

  • Is the question about employing GSM in an IoT environment?
  • Is the question not about networking in general?
  • Does the question describe clearly what the issue is?

Example questions

Not what you are looking for?

  • Use for questions about setting up and configuring networks for your IoT devices in general.
  • Use for questions about any wireless protocol.
  • Use for the low power, high range 802.11ah protocol.
36 questions
10
votes
3 answers

Can I send my GSM IoT device via airpost?

Is legal to send my GSM IoT device which is powered by a ~2000 mAh (3.7 V) lithium polymer (LiPo) battery via air post? (Or even take it with me inside my suitcase?) Also does it make a difference if the device is powered on or off?
IIIIIIIIIIIIIIIIIIIIII
  • 701
  • 6
  • 15
10
votes
3 answers

Calculate velocity and direction on microcontroller or on remote server?

Assume that I have a device attached on a car which includes an MCU, and a SIM908 module. The SIM908's function is to receive GPS data from satellites and then send them to the remote server through 2G/GPRS once every minute to display on the web.…
juggernaut156
  • 421
  • 2
  • 6
10
votes
1 answer

2G-4G SIM Cards for Cellular Modules, specifically the new NB-IoT

I'm trying to connect to the NB-IoT network in my city, and I've already gotten the hardware as well as the confirmation that there is an NB-IoT cell tower in my neighborhood. Naturally, there's an NB-IoT SIM card as well that is used to connect to…
akimbo_dragon
  • 203
  • 1
  • 6
9
votes
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
  • 131
  • 1
  • 7
9
votes
2 answers

IoT 2G wireless data - service providers options in USA

What are the service providers options in USA for IoT 2G data? Project scenario: raspberry pi 3 devices that will be collecting data in remote areas I would buy modem modules compatible with the wireless network requirements Each device would need…
RandomUser
  • 199
  • 2
8
votes
1 answer

How to pass two parameters in header using AT Command with SIM800 GSM modem?

I have a restful webservice with POST method. I want to use this webservice using a GSM Modem with SIM800. I am using following command instruction: AT+SAPBR=2,1 --Check if bearer 1 is open or not AT+SAPBR=1,1 --Enable bearer…
Rudra
  • 181
  • 4
7
votes
1 answer

SSH into an Orange Pi connected to the internet via 2G GSM module

I wanted to SSH into my Orange Pi remotely. It will be connected to the Internet via a 2G GSM module. How should I go about it? Usually it's ssh username@ip address. The setup isn't implemented yet so wanted to know if such access is possible. Also…
omkar joglekar
  • 71
  • 2
7
votes
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
  • 259
  • 1
  • 4
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
  • 153
  • 8
6
votes
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
  • 734
  • 4
  • 13
6
votes
2 answers

Syntax for using HTTP GET with ampersand and float

I am currently working on a wireless gardening project and quite new to this field. My sht10 sensor is connected to Arduino Uno and GSM AT commands is used for wireless communication. I am using HTTP Get method to display sensor data on my web…
knowledgeispower
  • 61
  • 5
6
votes
0 answers

How to send images using SIM908 GPRS module using LPC2148

I am working on a project in which I have to send an encrypted image via a GSM modem as GPRS or MMS. In this project the transmitter side consists of a PC, ARM LPC2148, and a GSM modem. The receiver also has the same set of components. Now the…
GDayan
  • 77
  • 1
5
votes
1 answer

Connect an esp32 with AWS MQTT with SIM800L

I am are trying to use a sim800L module to connect an esp32 running Arduino to AWS MQTT. I need to connect and publish and subscribe to topics. I am doing this successfully via WiFi. Not via the sim800L GSM module. I cannot find any example code.…
saja wahidee
  • 91
  • 3
5
votes
1 answer

Connecting a SIM800L to a IBM BlueMix Server via MQTT

I am trying to connect a IoT node to a IBM IoT server via MQTT/GSM. I am using a Sim800L GSM module, and a serial USB device to send the commands to module from my computer. Later on, I will use the commands on Arduino to register my device. I'm…
codemonkey
  • 181
  • 8
4
votes
1 answer

How to transmit binary data over CIP using AT commands?

I'm trying to transmit binary data using Ai-Thinker A6 GPRS module.The problem is that it does not support the AT+CIPSEND=[length] command (looks like a firmware bug). If you use a simple AT+CIPSEND command without length, CTRL-Z (also as a zero…
sleeply4cat
  • 49
  • 2
1
2 3