Academia.eduAcademia.edu

GSM SIM 900 A is the GSM module used for GPRS/GPS communication. The module offers 9OOMHZ nad 1800 MHZ frequency band to send SMS. In this any abnormal parameter is noted then the SMS is send to parents mobile.

Figure 4 GSM SIM 900 A is the GSM module used for GPRS/GPS communication. The module offers 9OOMHZ nad 1800 MHZ frequency band to send SMS. In this any abnormal parameter is noted then the SMS is send to parents mobile.