The PD0401000400GA from Sainty-Tech Communications Limited is a Power Divider with Frequency 1 to 4 GHz, Insertion Loss 0.6 to 0.8 dB, Isolation 20 to 22 dB, Input Power 30 W, Amplitude Balance ±0.3 dB. Tags: Module with Connectors. More details for PD0401000400GA can be seen below.