You may need to pay $2.99 to download this app from App Store or Google Play Store. After that, there is no ongoing fee.


Please visit the link below to get more information on MyAlarm SMS Control App:


https://www.myalarm.com.au/


If you have a valid PSTN phone line, you can set the Transmission Format to "06 - SMS PSTN" or if you do not have a valid PSTN phone line, you can put on the GSM module CM744B and set the Transmission Format to "12 - GSM SMS". Please note, you need to insert a SIM card or two SIM cards with Data plan to GSM module CM744B.