IPerCom Switchboard Handset (1060/41) -BIM Information Use this article to download the BIM information for the IPerCom Switchboard Handset (1060/41) - You can download both the IFC and RFA files below. Downloads: Download the IFC file here Download the RFA file here Our IPerCom Switchboard Handset, is our USB switchboard handset for IPerCom systems.