Federal Signal's SelectFone Intercom and Paging stations, Models SF–1241X and SF–1245X, are designed for wall mounted installation indoors and outdoors in hazardous locations.

This intercom is available in single channel units (SF–1241X, pictured) and five channel units (SF–1245X). Both models are available in 24VDC and 120VAC. These units are rated for Class I, Division 2, Groups A, B, C, D; Class II, Division 2, Groups F, G; and Class III environments.