The M-SM4 module allows you to extend the functionality of the VIDOS DUO video intercom systemThe device allows you to connect up to the system up to 4 internal panels or door stations in the event that there is no possibility of serial connection of devices
The device is particularly useful when designing extensive installations (e.g. in a block of flats), when there are 3-4 apartments on each floorIn such a situation, the optimal solution is to place one M-SM4 module on each floor and from this module to distribute the wires to individual internal panels in the apartments
In addition, the product can be used to increase the number of door stations in the system