This part is a kind of semiconductor called AP6255.

Function of this product has WiFi 11ac + Bluetooth 4.1 Module.

Manufacturers : AMPAK

Image and pinout :

Some of the text within the PDF file :

正基科技股份有限公司 SPECIFICATION SPEC. NO.： DATE： 04. 26. 2015 PRODUCT NAME： REV： 1.1 AP6255 APPROVED CHECKED PREPARED DCC ISSUE NAME AMPAK Technology Inc. www.ampak.com.tw Doc. NO: Proprietary & Confidential Information AMPAK AP6255 WiFi 11ac + Bluetooth 4.1 Module Spec Sheet AMPAK Technology Inc. www.ampak.com.tw Doc. NO: Proprietary & Confidential Information 1 AP6255 Datasheet Revision History Date 2015/04/09 2015/04/26 Revision Content - Preliminary - Add GPIO pin definiion Revised By Version Gary 1.0 Gary 1.1 AMPAK Technology Inc. www.ampak.com.tw Doc. NO: Proprietary & Confidential Information 2 AP6255 Datasheet Contents Contents . [ ... ]

AP6255 PDF Datasheet Download