Sos electronics arduino compatible m95 gsm gprs shield sos electronics 206447 this b arduino b compatible shield has been designed as a tool to help users get familiar with gsm gprs communication using an arduino board the onboard m95 is a quad band gsm gprs module with ultra low power consumption and an extended temperature range making it a feature rich platform suitable for use with a wide range of m2m applications such as vts industry pda personal tracking wireless pos smart mete