About SigCom, NFPA and FM

Radio Alarm Reporting Systems: About SigCom, NFPA, and FM

SigCom’s TRX50, DTX, and other Radio Alarm Reporting Systems are tested and approved by Factory Mutual “FM” to the standards set by the National Fire Protection Association (NFPA) code that covers Public and Commercial Alarm Reporting Systems. 

National Fire Protection Association, NFPA

NFPA writes the Standards for Fire Alarm Reporting Systems. 


Factory Mutual, FM

Factory Mutual is a Nationally Recognized Testing Laboratory, as designated by the Occupational Safety and Health Administration (OSHA). FM writes test procedures to assess and approves Fire Alarm Reporting Systems to the NFPA Standards.  FM is equivalent to UL, ETL and other laboratories recognized by OSHA. See https://www.osha.gov/dts/otpca/nrtl/nrtllist.html .


Signal Communications Corporation (SigCom)

SigCom develops and manufactures life safety systems designed to meet and exceed the standards set by NFPA and other organizations. SigCom products are tested and approved by Nationally Recognized Testing Laboratories including FM, UL, and ETL.


NFPA Chapter 27, Public Emergency Alarm Reporting Systems

SigCom systems are listed under NFPA Chapter 27. This covers Public / Municipal alarm reporting systems. Chapter 27 is the most rigorous standard for these systems. For example, Chapter 27 requires operation a wide range of temperature from -40° to +140°F and outdoor uses

[Excerpts from the NFPA Website]

27.1.1 The provisions of this chapter apply to the proper configuration, performance, installation, and operation of public emergency alarm reporting systems and auxiliary alarm systems. Public emergency alarm reporting systems shall consist of alarm boxes and alarm processing equipment that communicate on a wired or wireless network(s), one-way or two-way, meeting the requirements of this chapter. This shall include systems that use a communications infrastructure that is publicly owned, operated, and controlled or where public emergency alarm reporting systems and equipment are used in other applications. [ROP-485]

27.1.2 The installation and use of public emergency alarm reporting systems and auxiliary alarm systems shall comply with the requirements of this chapter.

27.1.3 The requirements of this chapter shall apply to systems and equipment for the transmission and reception of alarm and other emergency signals, including those from auxiliary alarm systems,

NFPA Chapter 26, Supervising Station Alarm Systems / Remote Station Signaling Systems

SigCom equipment is also listed under NFPA Chapter 26. This covers non-public / commercial operations.  Chapter 26 is a less rigorous standard.

The TRX50 is one of very few systems that is compliant with both NFPA Chapters 27 and 26.

Contact us or Download More Information including reference from Factory Mutual’s website.