Edwards EST SIGA-AB4G Sounder Base ATT 09/10 The strongest

The strongest

High fidelity models meet the NPFA 520 Hz requirements for newly constructed commercial sleeping areas

Eaton Wheelock ELFHNW Eluxa Low-Frequency Sounder

ST1300PA Police 2011-2018

it will send a signal to the alarm system if either its casing is opened or if it is forcibly removed from a wall

Edwards EST SIGA-AB4G Sounder Base ATT 09/10 The strongestThe Signature Series AB4G sounder bases add audible output functions to any Signature Series detector. Bases can operate as independent local alarms, or as part of a zone or system alarm with synchronized audible output. SIGA AB4G bases provide sounder capability to Signature Series single function smoke detectors. They are not intended for use with combination smoke CO devices in Fire plus CO mode. All bases are compatible with first and second