2G plug-in communication module for LightSYS control units (from version 5.2x or higher). Supports multichannel communications. Includes antenna for mounting in plastic box. Easy to install, it connects directly to the panel of the central. It allows the system to communicate through GPRS / GSM networks for the transmission of events to CRA with connection to the cloud. It allows remote control and programming. It can be used as a primary communication or as a backup for IP or PSTN communications. Maximum consumption: 300 mA. Dimensions: 50 x 80 x 25 mm. Grade 2. It is not compatible with central Lightsys versions prior to 5.2x.