Siemens ABHW-4B SF 08/12 Module power is supplied from

Module power is supplied from the IDNet communications channel eliminating the need for separate power wiring

• UL-listed and NFPA-compliant for fire safety assurance – Meets strict fire protection standards

IP Cellular Communicator

The Wheelock high performance ET Speakers and Speaker Strobes provide high audio output

Siemens ABHW-4B SF 08/12 Module power is supplied fromThe Model ABHW 4B Audible (Sounder) Base from Siemens Industry Inc. is an intelligent, supervised and addressable detector base designed for use in standard applications requiring an audible notification device. Each Model ABHW 4B base generates a 3,000 Hz audio signal that complies with NFPA 72 Standard.