The Cgsm/plus Series is a series of control units expandable from 8 up to 24/64 zones, partitionable up to 4/8 independent partitions, GSM telephone line for voice calls, text messages and digital and hybrid protocols, with therefore the possibility of using zones wireless. The Cgsm/plus Series supports up to 4/8 traditional keyboards, capacitive or with integrated audio support; up to 4/8 proximity readers with completely independent programming and signals. They have up to 8/17 fully configurable outputs for any function, extremely precise system clocks and timers thanks to the presence of an RTC (real time clock) with integrated BACK UP device. Fully configurable user levels based on system security needs, guided system for arming, disarming and system management to facilitate the end user in routine operations. Easy programming from keyboard and PC software. Fully pre-recorded two-way audio support with internal vocabulary (no need for manual recordings).