Ubee U10C020

"E08C005T00", "REV: 02", "19.2167", and a date code of 0624 is silkscreened on one particular U10C020's board.

Pinout
^
 * USB B-type port
 * USB B-type port

(GND) J (RxD) 3 (...) 0 (TxD) 5 (...)