The PRO-AR12-4-GS-N from Amphenol Procom is a Multicoupler with Frequency 50 to 960 MHz, Gain 2 dB, Isolation 20 dB(Output to Input), Noise Figure (Amplifier) 3.5 dB, OIP3 12 dBm. Tags: Module with Connector. More details for PRO-AR12-4-GS-N can be seen below.