For a list of all currently documented Realtek chipsets with specifications, see Realtek.
"uS1102 V03H" and "RoHS" appears to be silkscreened on the device in the FCC photos.
This device is the same as the Wi-Prince besides the RP-SMA jack (included on this unit).
... Some models may (possibly) instead be Afoundry AF-WL-23+5 rather than this unit.