I have been experimenting with the SIM20 this week, very impressed with it once I had worked out the datasheet, some parts of which seem to say the module is more intelligent than the user. i.e. 3.3 Turn-on and turn-off of the SIM20 3.3.1 Turn on SIM20 SIM20 can be turned on automatically when …

Intelligent transceiver SIM20

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