The PS4-3/BNC from MCLI is a Power Divider with Frequency 500 to 2000 MHz, Insertion Loss 1.3 dB, Isolation 18 dB, Input Power 30 W, Amplitude Balance 0.3 dB. Tags: Module with Connectors, Stripline Power Divider. More details for PS4-3/BNC can be seen below.