What is the customer asking what is mobile DR

We often use mobile Dr system, namely direct digital X-ray photography system. Mobile Dr in a broad sense, it refers to the system that directly converts X-ray photons into digital images through electronic cassette, which is composed of scanning controller, image monitor, electronic cassette system controller, etc.
Mobile Dr in the narrow sense, the direct digital X-ray photography system (mobile Dr) usually refers to the digital radiography using the image direct conversion technology of flat panel detector, which is a real mobile Dr X-ray photography system.