Spec Sheet Preview: The AA915 is designed for normal use as a flush or surface mounted Master Station fwhere a heavy-duty St. Steel Master Station is required. It is used with the model BBF863 (flush) or BBS863 (surface) or BBD905 (desk) backbox. The station's frontplate is made of durable St. Steel. The station can be used in hospital operating rooms, patient isolation rooms, laboratories, pharmacies, restaurants, offices and manufacturing, etc. The speaker and microphone allows for normal hands-free conversation with a range of approx. 3-5 meters (10-15 fee …