The HPRS4-BNC from Amphenol Procom is a Multicoupler with Frequency 30 to 960 MHz, Gain 19 dB (Adjustable), Isolation 18 to 23 dB, Noise Figure (Amplifier) 3.5 dB, P1dB 20 dBm. Tags: Module with Connector. More details for HPRS4-BNC can be seen below.