Indoor audio station, mini with handset, for SB2 with electronic call, door opener button and additional button for other functions (call to switchboard, relay, other functions). Setting of the call volume and ring tone deactivation via selector switch with 3 positions. The ring tone deactivation is indicated by a red symbol. Standard floor call. Incl. DIP switch unit for addressing the subscriber addresses. Dimensions: 105x191x28mm.
