Brand: A and d
The A and D GX-Z7100EV are two models of electronic components manufactured by a company named A and D Technologies. These components are likely part of a larger electronic system or device, and their specific functions and applications would depend on the context in which they are being used. In general, "GX" refers to a series of microcontroller units (MCUs) produced by A and D, while "Z7100" is the specific model of MCU in this case. "EV" may indicate that these components are an enhanced or updated version of an existing product. However, without more context, it's difficult to provide a definite interpretation of these specific part numbers.