TRENDnet TEW-657BRM

Overview
"YSM00A-1.6" is silkscreened on the board in the FCC photos.

The FCC test report states that the P27AD1006D FCC ID covers the following models...
 * SerComm AD1006D (Dual antenna), AD1006S (Single antenna)
 * TRENDnet TEW-635BRM (doesn't seem to be) and TEW-657BRM (assumed)
 * unknown WL-358 and WL-359
 * LevelOne WBR-6601 and WBR-6602

Links of Interest
Interface Emulator