SIM900 is a reliable, ultra-compact, Quad-band GSM/GPRS module available in an SMT type from SIMcom. This wireless module is designed mainly with a powerful single-chip processor which allows you to gain from cost-effective & small dimensions solutions. The SIM900 GSM/GPRS module delivers 850, 900, 1800, and 1900MHz performance with an industry-standard interface for SMS, voice, Fax & Data within a small form factor & low power consumption. This module can fit nearly all the space … [Read more...]