This part is a kind of semiconductor called MT6223.

Function of this product has GSM/GPRS Baseband Processor.

Manufacturers : MediaTek

Image and pinout :

Some of the text within the PDF file :

MT6223 GSM/GPRS Baseband Processor Technical Brief Revision 1.02 Jun 13, 2007 www.DataSheet.in Revision History Revision 1.00 1.01 1.02 1.03 Date Jun 7th, 2007 Jun 13, 2007 Jun 14, 2007 Comments May29, 2007 First Release Add MT6223P product branch 1. Correct the typo in row number of TFBGA dimension 2. BPI_BUS2 should be placed in ball number R3, and number U2 have no ball out 1. Modify TFBGA diagram figure www.DataSheet.in TABLE OF CONTENTS Revision History . 2 1. System Overview . [ ... ]

MT6223 PDF Datasheet Download