The PRO-BBPHY 4/146-470-20-N from Amphenol Procom is a Power Divider with Frequency 146 to 470 MHz, Insertion Loss 8.5 dB, Isolation 11 to 18 dB, Input Power 30 W, Operating Temperature -30 to 60 Degree C. Tags: Module with Connectors, Wilkinson Power Divider. More details for PRO-BBPHY 4/146-470-20-N can be seen below.