This part is a kind of semiconductor called WM201-RTL8723-1.

Function of this product has 11b/g/n WLAN and Bluetooth v2.1 / 3.0 / 4.0 single chip solution.

Manufacturers : Winsonic

Image and pinout :

Some of the text within the PDF file :

1. INTRODUCTION 1.1 Scope The WM201-RTL8723-1 CSR is a highly integrated 11b/g/n WLAN and Bluetooth v2.1 / 3.0 / 4.0 single chip solution with Wi-Fi PCI express interface and BT USB interface that combines MAC/ 1T1R baseband PHY/ RF that support up to WLAN 150Mbps PHY rate. The Bluetooth supports BT 2.1+EDR / BT3.0+HS / BT4.0 Low Energy dual mode for easily establish the Bluetooth connection. The enhanced Wi-Fi/BT coexistence control for better RF transmission quality in different BT profiles. 1.2 Features General        Complies with PCI Express Base Specification Revision 1.1 for WLAN Complies with USB 1.1 Specification Revision 1.1 for Bluetooth. Form factor: Half-Mini card. Bus Interface: Wi-Fi: PCIe bus interface. BT: USB bus interface. Windows 7 Operation system [ ... ]

WM201-RTL8723-1 PDF Datasheet Download