The MDP-203000 Series from Mu-Del Electronics is a Multicoupler with Frequency 20 MHz to 3 GHz, Gain 0 to 3 dB, Isolation 40 to 50 dB, Noise Figure 8.5 dB, AC Voltage 90 to 260 Vac. Tags: Rack Mount. More details for MDP-203000 Series can be seen below.