Sharagim Posted February 10, 2011 Report Share Posted February 10, 2011 Hi,I am interfacing a TC35i GSM module.I have a problem which is :When there isn't SIM I can connect to serial port and send and receive AT command.But when I insert SIM card it is going off after a few seconds. during that shot period of time I can send AT command and it show SIM ID too, There isn't any output to serial on shutdown.I would appreciate if you can help me. Quote Link to comment Share on other sites More sharing options...
george.brooks Posted February 18, 2011 Report Share Posted February 18, 2011 The manual of TC35i will help you i think . Check these http://www.rfsolutions.co.uk/acatalog/DS-GSMT35I-2.pdf Quote Link to comment Share on other sites More sharing options...
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