This part is a kind of semiconductor called UPC1678G-E1.

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 :

2 GHz MEDIUM POWER BROADBAND SILICON MMIC AMPLIFIER UPC1678G UPC1678GV FEATURES • • • • • HIGH OUTPUT POWER: +18 dBm PSAT EXCELLENT FREQUENCY RESPONSE: 2.0 GHz TYP at 3 dB Down HIGH POWER GAIN: 23 dB TYP at 500 MHz SINGLE SUPPLY VOLTAGE: 5 V AVAILABLE IN TAPE AND REEL Gain GS (dB) 40 NOISE FIGURE AND GAIN vs. FREQUENCY AND VOLTAGE 30 GP 20 5.0 V 4.5 V 10 5.5 V 0 NF -10 10 30 100 300 1000 4.5 V 5.0 V VCC = 5.5 V 12 10 8 6 4 3000 DESCRIPTION The UPC1678 is a silicon monolithic integrated circuit designed as a wide-band amplifier covering the HF to UHF bands. The device features high output power, 18 dBm TYP, high gain, 23 dB TYP and operates from a single 5 volt supply. The UPC1678 is available in two package styles: 8 pin SOP and SSOP packages. NEC's stringent quality as [ ... ]

UPC1678G-E1 PDF Datasheet Download