Given that I think this is an older Simplex voice evacuation system I think the Speaker is a 4902-9707 or 9708 & the remote strobe is either a Simplex 4904-9135, 9136, 9137, 9301, 9305 or 9309 (I’ll admit this one is in pretty bad shape)
Given that I think this is an older Simplex voice evacuation system I think the Speaker is a 4902-9707 or 9708 & the remote strobe is either a Simplex 4904-9135, 9136, 9137, 9301, 9305 or 9309 (I’ll admit this one is in pretty bad shape)