Top "Gsm" questions

GSM is an abbreviation for "Global System for Mobile Communication"

What is meaning of negative dbm in signal strength?

When we try to get nearby cells and their LAC, MNC, signal (and while using other android apps) we are …

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Class 0 SMS (flash SMS) on Android

As I know that Nokia and some others phone (like iPhone) are able to sent and receive class 0 SMS , is …

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How are duplicate sim cards detected by the provider?

why can't you use an original and a cloned sim card at the same time? How does the provider detects …

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How to properly triangulate GSM cell towers to get a location?

First of all, I am trying to do all this disaster in c# (.net 4) so if you come up with …

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How to access a SIM card programmatically?

Just any old GSM compatible SIM card (bonus for 3G USIM). I presume I need some hardware? Can anyone recommend …

gsm sim-card
Use Arduino GSM/GPRS shield to send data to my web service

I know how to make calls and send SMSes using a GSM/GPRS shield for Arduino Uno. But I have …

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Get CellID, MCC, MNC, LAC, and Network in iOS 5.1

I need to retrieve CellID, MCC, MNC, LAC and Network (GSM, 3G) of the current Serving Cell Tower in iOS 5.1 (…

ios gsm 3g iphone-privateapi cellid
eCGI and CGI for LTE and GSM networks

I'm trying to determine the CGI (the Cell Global Identifier) the UE is connected to. From the 3GPP specs, it's …

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Receiving "NO CARRIER" error while tring to make a call using GSM modem in Python

I want to make a call using my GSM modem. So I wrote the below program: import time import serial …

python python-3.x gsm at-command modem
Android: How do I get GSM signal strength for all available network operators

I am working on a little app to check the signal strength of various network operators in my area. My …

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