For a list of all currently documented Broadcom chipsets with specifications, see Broadcom.
"17-001935" is (among other things) silkscreened on the board in the FCC photos.
This module would seem to be used with some EPSON printers.
The FCC test report notes the driver location as including usb4315\RAPTOR_REL_4_216_41.
- .. seemingly indicating that this chip is 4315 based w/ RAPTOR code name? bcm4326u?