The WSDU-1X8SR from Becker Nachrichtentechnik GmbH is a Multicoupler with Frequency 1.6 to 32 MHz, Gain 1.5 to 3.5 dB, Gain Flatness ±0.5 dB, Isolation 30 dB (Reverse Isolation), 23 to 27 dB (Output Isolation), Noise Figure 6 to 8 dB. Tags: Rack Mount. More details for WSDU-1X8SR can be seen below.