The PRO-ARHP4GS-N from Amphenol Procom is a Multicoupler with Frequency 0.1 to 40 MHz, Gain 1 dB, Isolation 20 to 40 dB, Noise Figure 6 dB, Noise Figure (Amplifier) 4.5 dB. Tags: Module with Connector. More details for PRO-ARHP4GS-N can be seen below.