This part is a kind of semiconductor called B7652.
Function of this product has SAW Components.
Manufacturers : EPCOS
Image and pinout :

Some of the text within the PDF file :
SAW Components Data Sheet B7652 SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet B7652 942,5 / 1842,5 MHz Chip sized saw package QCS10C Features s Low-loss RF filter for mobile telephone EGSM s s s s s and PCN system , receive path Usable passband: Filter 1 (EGSM): 35 MHz Filter 2 (PCN): 75 MHz Unbalanced to balanced operation of both filters Impedance transformation from 50 Ω to 200 Ω for EGSM filter Suitable for GPRS Class 1 to 12 Ceramic package for Surface Mounted Technology (SMT) 0,1 0,1 0,8 1 2 3 4 10 5 bottom view 0,5 1,8 0,4 0,68 0,5 side view top view 9 8 7 6 3,0 Terminals s Ni, gold-plated Dimensions in mm, approx. weight 0,015g 9 1 Pin configuration 1, 2 3, 4 6 9 5, 7, 8,10 Output, balanced [ Filter 1 ] Output [ ... ]
B7652 PDF Datasheet Download
