ABB 2CKA006800A2867 — Suitable for the free@home system integration of the Busch-Smoke alarm detector, Busch-Heat detectors and Busch-CO Alarm via the associated radio modules System prerequisite: ABB-free@home® System Access Point from SAP/S.13. Including USB extension cables for practical fixing outside the junction box Integration of alarm devices as free@home participants. Linking of the integrated detector with scenes and groups. Generation of Pusch notification in case of an alarm for mobile terminal devices. Radio frequency: 868 MHz.