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GSM/IO - IO controller via GSM
SIM900D GSM modules are no longer manufactured so unfortunately I have to remove this product from my offer as these modules cannot be replaced without design changes.

Configuration software for Windows v1.0 + driver: download
Device manual (english): download

GSM/IO is a simple GSM device designed for remote control of digital inputs and outputs. It can be used for switching external devices with a single SMS command. GSMIO is also capable of sending an alarm SMS to configured administrator telephone numbers when there is a change on one of its inputs.
GSM/IO can be used as a simple control panel for a home or storehouse security. You can simply connect intrusion or motion sensor to one of its inputs and configure it to send SMS to your telephone number when sensor violation is detected.
GSM/IO can also be used as a remote switch or reset for other devices. For example you can connect it to a network router and remotely cut power when it hangs up for some reason.

- 8 optocoupled NO/NC digital inputs,
- 4 open-drain monostable/bistable outputs,
- SMS control,
- configurable command/alarm SMS content,
- RTC clock on-board,
- USB configuration. CE

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