The XRM-38-04 from Comprod is a Multicoupler with Frequency 380 to 512 MHz, Gain 18.5 dB, Noise Figure (Amplifier) 1.9 dB, DC Supply Voltage 100 to 240 Vdc, Operating Temperature -40 to 60 Degree C. Tags: Rack Mount, Cavity Mount. More details for XRM-38-04 can be seen below.