This part is a kind of semiconductor called UPC1678G.

Function of this product has 5 V-BIAS/ +7.5 dBm OUTPUT/ 2.0 GHz WIDEBAND Si MMIC AMPLIFIER.

Manufacturers : NEC

Image and pinout :

Some of the text within the PDF file :

DATA SHEET DATA SHEET BIPOLAR ANALOG INTEGRATED CIRCUIT µPC1678G 5 V-BIAS, +17.5 dBm OUTPUT, 2.0 GHz WIDEBAND Si MMIC AMPLIFIER DESCRIPTION The µPC1678G is a silicon monolithic integrated circuit designed as medium output power amplifier for high frequency system applications. Due to +17.5 dBm TYP. output at 2 GHz, this IC is recommendable for transmitter stage amplifier of L BAND wireless communication systems. This IC is packaged in 8-pin plastic SOP. This IC is manufactured using NEC’s 20 GHz fT NESAT™IV silicon bipolar process. This process uses silicon nitride passivation film and gold electrodes. These materials can protect chip surface from external pollution and prevent corrosion/migration. Thus, this IC has excellent performance, uniformity and reliability. FEATURES �� [ ... ]

UPC1678G PDF Datasheet Download