Abstract: A mounting apparatus for a radio frequency identification system is disclosed. The mounting apparatus includes a base and a frame. The frame has an upper section that is adjustable relative to the lower section to provide different configurations such as heights, and capable of being separated into two or more of its component parts to facilitate storage, shipping (particularly shipping via commercial carriers such as UPS that have maximum container sizes and/or configurations), break down, mobility, adjustability, and the like. A translucent or transparent cover encloses the frame and RFID components to all visual access to the components therein. A system comprising two portals connected by bridge having an adjustable bridge.