TRENDnet TEW-639GR V2.0R

Overview
"WRT-391L Rev. UB" is silkscreened on the board.

The router has three antennas despite the lack of three RX/TX chains. Two (right and middle) appear to be used in a switched diversity configuration.

The power adapter included with the router is a Leader Electronics M12-4120100-A1.

Pictures
Retail Images