A customised Global System for Mobile communication (GSM) module is designed for wireless radiation monitoring through Short Messaging Service (SMS). This module is able to receive serial data from radiation monitoring devices such as survey meter or area monitor and transmit the data as text SMS to a host server.
What does a GSM module do?
A GSM modem or GSM module is a hardware device that uses GSM mobile telephone technology to provide a data link to a remote network. From the view of the mobile phone network, they are essentially identical to an ordinary mobile phone, including the need for a SIM to identify themselves to the network.
Where is GSM used?
GSM stands for Global System for Mobile communication and is a digital mobile network that is primarily used with mobile phones in Europe and other parts of the world. The technique uses different time division multiple access (TDMA).
What is GSM modem and how it works?
A GSM modem is a wireless modem that works with a GSM wireless network. … The main difference between them is that a dial-up modem sends and receives data through a fixed telephone line while a wireless modem sends and receives data through radio waves. A GSM modem can be an external device or a PC Card / PCMCIA Card.
Which is the best GSM module?
SIM900 is the most popular GSM/GPRS module model out there. This module comes in 3 variants namely – SIM900, SIM900A and SIM900D. Out of these 3 model variants, SIM900 – is the only Quad Band (supporting all 4 frequency bands – 850/900/1800/1900 Mhz)) GSM module model.
Can GSM module connect to Internet?
GSM/GPRS is used to communicate with the Internet for sending data to the Sparkfun server. GSM Module’s Rx and Tx pin is directly connected with Arduino’s pin D3 and D2 respectively (Ground of Arduino and GSM must be connected with each other).
Is GSM still used?
Which Are GSM? In the US, Verizon, US Cellular, and the old Sprint network (now owned by T-Mobile) use CDMA. AT&T and T-Mobile use GSM. Most of the rest of the world uses GSM.
Is GSM analog or digital?
transmission rate—GSM is a digital system with an over-the-air bit rate of 270 kbps. access method—GSM utilizes the time division multiple access (TDMA) concept. TDMA is a technique in which several different calls may share the same carrier. Each call is assigned a particular time slot.