The PD0203400420GN from Sainty-Tech Communications Limited is a Power Divider with Frequency 3.4 to 4.2 GHz, Insertion Loss 0.4 to 0.6 dB, Isolation 20 dB, Input Power 30 W, Amplitude Balance ±0.3 dB. Tags: Module with Connectors. More details for PD0203400420GN can be seen below.