... assets. Moreover, the GSM SMS Controller-Alarm with 4 digital inputs, when any one of the inputs triggered, will ... 12. Wellheads, boat, vehicle;13. Energy saving, street lights control system;14. Valve controls;15. Transformer stations; 16. Unmanned machine ... rooms;17. Control room application;18. Automation System, M2M;19. GSM Access Control System, GSM Gate Opener, etc. Mainly ...