The PRO-MARHP2-4-3-2-12V from Amphenol Procom is a Multicoupler with Frequency 68 to 180 MHz, Gain 1 to 2 dB, Isolation 20 to 25 dB(Output to Input), Noise Figure 4 dB, Noise Figure (Amplifier) 6 dB. Tags: Module with Connector. More details for PRO-MARHP2-4-3-2-12V can be seen below.