interfacing GSM modem with 8051 micro-controller Posted at: 07 - Mar - 2017 Category: 8051 Microcontroller Projects Author: 0 Comments Hi everybody, May I know the part number of GSM module, its manufaturer and aprox. price used in this article please? I want to use it in India, so amyone knows what GSM code (eg 03.40) standards are used here? Thanks in advance.