MICROPHONE KEYBOARD EXTENSION ABT-EKB-20M is compatible with zone microphone ABT-DMS. Microphone compliance with EN54.

Morever ABT-EKB-20M is compatible  with MULTIVES Voice Evacuation and Public Address system PA/VA which is designed with a view to a possibility of its versatile application – it is extremely suitable for both decentralized and centralized systems. The architecture of this system is based on fibre optic Ethernet connections between control units and other elements of the system which allows for its application in structures most extensive in terms of area and functionality such as air terminals, oil fields and refineries, commercial centers and office complexes. The system fully complies with a European mandatory standard EN54-16.