One of the better alarm systems on the market is made by Bosch.
Bosch has your basic alarm system that has all the standard feature like call your mobile phone, Wireless equipment & remotes, LED & LCD keypad
Then we have the better much more optioned Bosch Alarm system.
SMS, ethernet, Arm & Disarm via App on your smartphone, along with access control & wireless equipment & remotes.
The keypad is all TXT driven, which means it’s easy to use.