Specifications Trading Consulting On GSM Household Alarm System GSM Household Alarm System GSM alarm System Household Alarm system Remote switching machines with a SMS text from your mobile phone! Remote Monitoring your assets in the worldwide by your mobile Phone! The GSM SMS Controller-Alarm is a very simple device which can be used for authorized door access, controlling gates, switching of remote equipments, car parking systems. Actually the GSM SMS Controller can be used[...]