GSM-GL09-4G 4G GSM 8 Input Alarm Text Dialler 12VDC. The GL09 is a simple and easy to use 4G/3G/GSM Detector which sends SMS and calls you in case of alarm events. Alarm event occurs in case of NO or NC port changes
Wide power input range from 5VDC to 15VDC power input is the main features of the GL09. User can preset a low voltage alert limit, then when the poweer inputs dropped below the voltage it will send the alert SMS. This features very useful for battery operated situations.
Short the RST to GND, and then send the SMS command “RESET”. After this input, it will empty all the SMS alarm and phone call alarm phone numbers in the memory. It will also put the device in the Only SMS alarm report mode. (M1 Mode)
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