This part is a kind of semiconductor called BGD814.
Function of this product has CATV amplifier module.
Manufacturers : NXP
Image and pinout :

Some of the text within the PDF file :
DISCRETE SEMICONDUCTORS DATA SHEET ndbook, halfpage M3D252 BGD814 CATV amplifier module Preliminary specification Supersedes data of 2000 Jan 04 2000 Apr 19 Philips Semiconductors Preliminary specification CATV amplifier module BGD814 FEATURES • Excellent linearity • Extremely low noise • Excellent return loss properties • Silicon nitride passivation • Rugged construction • Gold metallization ensures excellent reliability. APPLICATIONS • CATV systems operating in the 40 to 870 MHz frequency range. DESCRIPTION Hybrid amplifier module in a SOT115J package operating with a voltage supply of 24 V (DC). PINNING - SOT115J PIN 1 2 and 3 5 7 and 8 9 input common +VB common output DESCRIPTION handbook, halfpage 1 2 3 5 7 8 9 Side view MSA319 Fig.1 Simplified out [ ... ]
BGD814 PDF Datasheet Download
