IP 8 family intercom kit with Ultra audio/video external unit and 8 Padua color monitors. Supports 8 apartments. Supports 8 apartments. Expandable to larger multi-unit installations. The kit includes: 1 x art. UT8090S - Ultra audio/video module, 1 x art. 1441 power supply, 1 x art. 1456B gateway, 2 x art. 1440A PoE switches, 8 x art. 6815W Padua monitors.