Allows you to create data connections on the GSM network through a standard USB interface.
The cellular modems, particularly USB-stick ones, are now at very affordable prices, however they’re limited: they are explicitly designed for Internet connections, so you cannot use it as a normal modem and so implement, for example, a point to point data communications with them. The GSM modems …

Some post ago we presented a PCB to mount the SIM900 module. The projects is used in our GSM remote control and the Arduino GSM Shield.
The dimensions aren’t big (1.75×1.95 inches) but in some cases they are too important for a projects, so….

..we have developed a small PCB GSM module to build device like localizators (coming soon… ), bugs or other …