eTel Temperature and Humidity SMS alarm system consists of temperature and humidity sensors and ET8610 SMS FAM, and specifically for use in small machine rooms, warehouses, laboratories and other small sites, users just insert SIM card on the FAM, and set the range of temperature and humidity, once the temperature and humidity beyond range of setting value, FAM will send alarm SMS to user's cell phone. Also, user can send Query SMS to FAM to get the current temperature status. You can set FAM to regular return temperature and humidity values every day.

ET8610 FAM can be connected to a professional temperature and humidity sensors for precise measurement, and display the current temperature and humidity values LCD screen.

ET8610 SMS FAM can automatically collect current value of temperature and humidity, then real-time compare the upper and lower limits, when the temperature and humidity exceed the upper and lower limit, FAM will send SMS alarm messages.

When the temperature alarm return to normal value, FAM will send SMS alarm clear message, inform user the alarm clear.

User is able to send an SMS command to query current temperature and humidity, ET8610 SMS FAM also can set time to report current temperature daily.