STR house telephone HT 2003/2 GVS white, intercom/intercom system Audio house telephone design line HT20, installation system 5+n technology NH205TVM, privacy protection AC buzzer for acoustic signaling of door calls Ringing loudspeaker for floor calls Door opener and additional button integrated Plastic housing 80 x 215 x 60mm Can be combined with 3 Glang Gong 8058-3 for additional gong. It could also be used for example with a STR door intercom module TSM white article number: 13570W or STR Electronics RTM1 call button module RTM 1.2
