5/3/2023 0 Comments Gsm modem hacking![]() It has standard DC power jack, which can be powered from external power sources such as voltage adapters. It also consist of RS232 port for serial communication between the modem and computer, however we are not going to use in this project. Two for TX and RX (transmit and receive), another two pins for VCC and GND, which is common in all. ![]() It has four I/O pins depending on the model you choose. It is like a mobile phone without Screen and keypad. GSM modem is a hardware which accepts a valid SIM card (Subscriber Identity Module), basically any SIM will work, which supports GSM protocol and with a network subscription. The GSM protocol also allows transfer of packet data, such as GPRS and EDGE. In a nutshell full duplex communication means both the parties can send/receive data (or voice) simultaneously. It is the first digital protocol for mobile communication which is optimized for full duplex voice communication. ![]() GSM stands for Global System for Mobile communications it is a standard which was developed by ETSI (European Telecommunications Standard Institute) who described the protocols for 2G communication. We are also going to explore what are all applications we can achieve with GSM modem other than sending text message by a human. ![]()
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