The SIM300D is a complete Tri-Band GSM/GRS solution in a SMT module which can be embedded in the customer application.
Featuring an industry-standard interface,the SIM300D delivers GSM/GPRS 900/1800/1900MHz performance for voice,SMS,Data,and Fax in a small form factor and with low power consumption.With a tiny configuration of 33mm x 33mm x 3mm,SIM300D can fit almost all the space requirements in your industrial applications,such as M2M,Telematics and other mobile data communication systems.

Benefits:
.Tri-band GSM/GPRS module with a size of 33x33x3mm
.SMT type suit for customer application
.An embedded Powerful TCP/IP protocol stack
.Based upon mature and field-prooven platform,backed up by our support service,from definition to design and production