The WSDU-1X8R from Becker Nachrichtentechnik GmbH is a Multicoupler with Frequency 0.1 MHz to 5 GHz, Gain 0.4 to 4 dB, Gain Flatness ±1 to ±1.5 dB, Isolation 75 to 90 dB (Reverse Isolation), 23 to 60 dB (Output Isolation), Noise Figure 8 to 9.5 dB. Tags: Rack Mount. More details for WSDU-1X8R can be seen below.