Binary firmware image of 1.67 MB identified as ZyXEL 1201-t10a, which hints at a ZyXEL network device with a hardware variant tag, though the exact product is not stated. Router and modem dumps like this are usually written directly to the flash chip with a programmer to recover a unit stuck in a boot loop. Verify that the device model and hardware revision match, read a backup of the original chip before flashing, and note that the file is smaller than typical chip sizes, so check its layout.
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 @biosarchive. Enginerys does not host this file.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →