This is the M590 pure-data communication module an ultra compact GSM/GPRS industrial wireless module, optional dual-band or quad-band. It provides a high-quality SMS, GPRS data connection for use in industrial and commercial field. Block Diagram of NEOWAY M590 GSM/GPRS Module
Wiring SIM900 GSM/GPRS Shield with TTL / UART Serial Bus
In this illustration we will going to wire the SIM900 GSM/GPRS Shield using USB to TTL / UART and Arduino Microcontroller. The SIM900 an ultra-compact and reliable wireless module a complete Dual-Band GSM/GPRS module in a SMT type device. This