The 1+n intercom system was developed to convert a classic doorbell system into a complete intercom system without having to lay additional cables in the riser. The confidentiality of conversations between the individual residential units is maintained.Product features:Electronic additional signal generator Parallel to HT 1133/351 Surface mountingTechnical data:Compatible with system 1+nDimensions: 80 x 80 x 32mmInstallation instructions:Note:
