RAR archive of 243 KB labelled only R7000, with no brand, board number or file type stated in the name. The token could refer to a router, a graphics card or another device, so the contents must be inspected before use. An archive this small typically holds a firmware image, a BIOS dump or a short document rather than a full schematic set. Extract it with WinRAR or 7-Zip, identify what is inside, and compare any part or board marking against the hardware on your bench before flashing or relying on it.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @schematicslaptop. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.