The Design and Implementation for SMS Terminal Based on Module of WAVECOM Q2403A
Jin Fa-hua · Journal of Huaiyin Teachers College · 2009
On the basis of the analysis of WAVECOM Q2403A GSM module principle,characteristics and the external circuit interface,the paper give the design principle,method and circuit diagrams of power circuit,SIM card circuit monitoring circuit and interface circuit of PC of the SMS terminals in detail.