When positioning the 4KPR-15R personal cell repeater, the big foot side of the repeater unit faces the room where you desire enhanced coverage. The repeater unit does not need line of sight to the window. Rather, it must face away from the window, and ]]> The window antenna slides into a mount that suctions to an exterior window. The plastic part of the window antenna (not mount) must face outside. The window antenna's metal backside faces the room.

]]> The personal repeater unit's back side (small foot) MUST face the window for proper operation. Improper use violates FCC regulations and will damage the repeater unit. The repeater unit and window antenna cannot be placed facing each other. They should]]> The 4KPR-15R repeater's built-in antenna provides 65 degree coverage in the horizontal plane with a vertical beam width of 55 degrees. The front of the repeater unit (big foot) faces the enhanced coverage area, with the repeater unit's back (small foot]]>