This part is a kind of semiconductor called UPC1241H.

Function of this product has (UPC1241H / UPC1242H) 7W AF Power Amplifier.

Manufacturers : NEC Electronics

Image and pinout :

Some of the text within the PDF file :

w w a D . w S a t e e h U 4 t m o .c w w .D w t a S a e h U 4 t e .c m o w w w .D a S a t e e h U 4 t m o .c [ ... ]

UPC1241H PDF Datasheet Download