The 46-288546G2, also known as a Multi-Coil Preamp Select Switch, is a part manufactured by GE for use in their MRI systems. This assembly is compatible with various GE MRI models, including the GE Signa Excite 1.5T and the GE Horizon LX. It is an essential component for the MRI machine and is available in new, used, and refurbished conditions from various suppliers.