The BiWire Ultra base sounder and base sounder VAD can be used both with a detector or as a stand alone device. The base sounder and base sounder VAD are certified to EN54-3 and EN54-23 respectively. The base sounder and base sounder VAD both incorporate a detector mounting base allowing a detector to be fitted directly to the base, or alternatively a cover plate can be used to provide a dedicated, discreet stand alone device.
The datasheet for this product can be downloaded here.
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Below is a list of the part numbers and descriptions of this product range:
EF5021BWS – BiWire, Base Sounder, first fix
EF5021BWSB – BiWire, Base Sounder, VAD Beacon, first fix