The PSC-2R-42 from RF Bay is a Power Divider with Frequency DC to 4.2 GHz, Insertion Loss 0.1 to 0.5 dB, Isolation 6.2 to 7 dB, Input Power 1 W, Amplitude Balance 0.2 to 0.5 dB. Tags: Module with Connectors, Resistive Power Divider. More details for PSC-2R-42 can be seen below.
