March 2017
Intermediate to advanced
732 pages
15h 24m
English
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GSM/GPRS modem
A GSM/GPRS modem is a device used to establish communication between two computers using the GSM-GPRS system. Global System for Mobile communication (GSM) is an architecture used for mobile communication in most of the countries. On the other hand, General Packet Radio Service (GPRS) is an extension of GSM that enables higher data transmission rate. Usually, these devices are assembled together with power supply circuit and communication interfaces such as RS-232, USB, and so on.
In order to work, these devices require a subscriber identity module (SIM) card just like mobile phones to activate communication with the network, and once the SIM is inserted, they can perform the following main operations:
- Manage SMS messages.
- Do voice ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.