For a list of all currently documented Realtek chipsets with specifications, see Realtek.
"G1700717117130 V1.3" and the FCC ID is silkscreened on the board.
The WR850RD has RP-SMA connectors (connected to internal U.FL connectors), while the WR850R has two integral antennas.
The default IP and credentials are based on the submitted manual in the FCC documents.
The processor is probably a RTL8651C.. but this is not confirmed. The processor has a heat spreader on top of it in the FCC photos.
The FCC test report states that the trade names include PRO-NETS, Speed Com+, and Jet Com.