Satellite keyboard for the KDC3905 system.

Doorphone panel KDC3905 combine best qualities of KDC1905M and KDC3100

The KDC3935 keyboard, integrated with a two-line SLAVE module - is designed for the modernization of both small and extensive intercom installations based on older Master/Slave systems using MCD1803SWLA modules. While maintaining the SAT port, it also ...