Continue communications, even in hazardous locations
Heavy-duty Model 5570M intercom offers 2-way communication in hazardous locations. Available in 120/240 v. a.c., 50/60 Hz., and 24 v. a.c./d.c. versions. Works in master or satellite mode configuration. Comes with choice of 4 alert tones. Add optional handheld, noise-canceling microphone to combat high ambient sound.