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05/08/16 12:36
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#190668 - ready made message modem
Although I can, I really do not want to build this. Why reinvent the wheel

does anyone know of a "modem unit" that can be - on it's own - programmed to send a message when a switch closes?

to clarify: no external stuff except the switch once it is programmed.


List of 5 messages in thread
ready made message modem            01/01/70 00:00      
   SMS alarms            01/01/70 00:00      
   What kind of "modem" ?            01/01/70 00:00      
      modem            01/01/70 00:00      
   Vehicle tracking devices            01/01/70 00:00      

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