Intercom module for X1 system to be used with either VR or customized plaques.Module compatible for installing on VR plaques. For connecting up to 4 call buttons via the supplied connector and remotely controlling the microphone. It has a connector for connecting a general keypad for access control. Equipped with local control for electric lock, inputs for door-opener button and for signaling the door status, and one output for activating external cameras. The front is equipped with LEDs for visual indication of the system status. It allows to adjust the sound of the microphone, the speaker and the activation time of the electric lock. Up to 11, VZS/308 call modules can be additionally cascaded.