For CISPR and FCC Radiated Test to Change Antenna Height The AM-400 antenna mast is suitable for making EMC radiated emissions measurements in an open area test site or test chambers. It has the following features: 1-4 meter antenna height standard for CISPR/FCC Motorized Electric height adjust Low-stretch polyester rope suspension Safety brake on the carriage to prevent antenna damage if the rope breaks Two position remote switch to adjust the height Low maintenance The cross boom allows mounting most types of antennas using appropriate adapters Made of mostly fiberglass non conductive materials Four meter boom can be laid flat when not in use Casters for easy moving Strong, stable construction with wide fiberglass base The boom can be laid flat when not in use