The modular towers for housing the IX and IS Series remote stations are designed to suit a variety of application needs for assistance and emergency calls. Used in areas such as campuses, parking garages, malls, or courtyards, these towers can be designed by module height, color, configuration, and signage. Use with the IX-DF-2RA, IX-SS-2RA, IX-SS-RA, IS-DVF-2RA, IS-SS-2RA(-R), and IS-SS-RA(-R) units. With the TW-SPL, the tower can be used with non-emergency call stations IX-DF, IX-SS, IX-DF-HID, IX-DF-RP10, IS-DVF, and IS-IPDVF.