The PRO-ARU4G-N from Amphenol Procom is a Multicoupler with Frequency 690 MHz to 2.7 GHz, Gain 2 dB, Isolation 17 to 25 dB, Noise Figure 3.5 dB, Noise Figure (Amplifier) 2.5 dB. Tags: Module with Connector. More details for PRO-ARU4G-N can be seen below.